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News Article | April 17, 2017
Site: news.europawire.eu

Italian Air force gets 500th eurofighter typhoon With 599 aircraft ordered, Eurofighter Typhoon is currently the largest collaborative industrial programme in Europe Eight customers have already ordered the Eurofighter Typhoon worldwide Almost 400,000 flying hours achieved worldwide  TURIN, 14-Apr-2017 — /EuropaWire/ — The 500th Eurofighter Typhoon has been delivered today to the Italian Air Force during a special ceremony held at Leonardo Aircraft Division’s Turin site. Lt. Gen. Gabriele Salvestroni, Logistic Commander of the Italian Air Force, took delivery of the aircraft in the presence of Filippo Bagnato, Leonardo Aircraft Division’s Managing Director, Volker Paltzo, Chief Executive Officer of Eurofighter Jagdflugzeug, Peter Schmidt, Deputy General Manager of NETMA, and representatives from the Eurofighter partner nations and partner companies. Volker Paltzo, Chief Executive Officer of Eurofighter Jagdflugzeug GmbH, said: “The 500 strong Eurofighter Typhoon fleet represents one of the largest and most capable fighter fleets in the western hemisphere, and will be the backbone of European airpower for decades to come.  Today’s handover is a great testament to the programme’s success, and I firmly expect to see the fleet grow further as our partner companies continue to pursue opportunities for more orders internationally.” Filippo Bagnato, Leonardo Aircraft Division Managing Director, said: “We are very proud to deliver the 500th Eurofighter Typhoon produced to the Italian Air Force. The Eurofighter Typhoon is the largest collaborative industrial programme in Europe, it is a successful and significant contributor to the nation’s economic wellbeing, employing high-skilled workers and generating thousands of high-value manufacturing and engineering jobs. We are now fully committed to completing deliveries to the Italian Air Force, to develop the capabilities of the aircraft, and to the activities envisaged by Kuwait’s contract, while continuing to pursue a number of significant market opportunities around the world.” The first Eurofighter was delivered to the UK Royal Air Force at the end of 2003. The 100th Eurofighter was delivered to the UK Royal Air Force in September 2006. The 200th aircraft was handed over to the German Air Force in November 2009. The 300th aircraft was delivered to the Spanish Air Force in October 2011, and the 400th to the German Air Force in December 2013. The aircraft has demonstrated, and continues to demonstrate, high reliability across the globe in all climates. It has been deployed on multiple occasions on Baltic Air Policing duties with the Spanish, German, Italian and UK air forces and has been combat proven during operations in Libya, Iraq and Syria. Through a series of continual enhancement steps, new capabilities are being added to the aircraft, with test and integration activity currently underway for advanced beyond visual range air-to-air missile Meteor, the precision guided cruise missile Storm Shadow and the precision attack missile Brimstone. The integration of these weapon systems will ensure Eurofighter Typhoon maintains its position as the most capable, agile and reliable swing-role fighter available on the international market today. SOURCE: Leonardo – Società per azioni Press Office Piazza Monte Grappa, 4 00195 Rome (Italy) Tel. +39 06 3247 3313 Fax +39 06 3265 7170 pressoffice@leonardocompany.com


News Article | May 5, 2017
Site: www.prnewswire.com

Gen. Claudio Graziano, Italian chief of defense, Gen. Carlo Magrassi, secretary general of defense/director of National Armament, Adm. Mathias Winter, deputy program executive officer at the F-35 Joint Program Office, Filippo Bagnato, Leonardo Aircraft Division's Managing Director, and Doug Wilhelm, Lockheed Martin F-35 Program Management vice president, spoke at the milestone event. "Italy is not only a valued F-35 program partner that has achieved many F-35 program 'firsts', but is also a critical NATO air component force, providing advanced airpower for the alliance for the coming decades," Wilhelm said. "Italian industry has participated in the design of the F-35 and Italian industry made components fly on every production F-35 built to date." The jet's first flight is anticipated in late August and it is programmed to be delivered to the Italian Ministry of Defense in November. In addition, two Italian F-35A aircraft will deliver from Cameri this year, the first by July and the second in the fourth quarter. To date, seven F-35As have been delivered from the Cameri FACO; four of those jets are now based at Luke Air Force Base, Arizona, for international pilot training and three are at Amendola Air Base, near Foggio on the Adriatic coast. The Aeronautica Militare (Italian Air Force) has already flown more than 100 flight hours in its Amendola-based F-35As. After a series of confidence flights from Cameri, an Italian pilot will fly their first F-35B jet to Naval Air Station Patuxent River, Maryland, early in 2018 to conduct required Electromagnetic Environmental Effects certification. The next Italian F-35B aircraft is scheduled for delivery in November 2018. The Cameri FACO has the only F-35B production capability outside the United States and is programmed to produce a total of 30 Italian F-35Bs and 60 Italian F-35As, along with 29 F-35As for the Royal Netherlands Air Force, and retains the capacity to deliver to other European partners in the future. The Italian FACO is also producing 835 F-35A full wing sets to support all customers in the program. The FACO was selected by the U.S. Department of Defense in 2014 as the F-35 Lightning II Heavy Airframe Maintenance, Repair, Overhaul and Upgrade facility for the European region. The 101-acre facility includes 22 buildings and more than one million square feet of covered work space, housing 11 assembly stations, and five maintenance, repair, overhaul, and upgrade bays. On September 7, 2015, the first Italian-produced F-35 built at the Cameri FACO made the first international flight in F-35 program history, and in February 2016, the F-35A made the program's first trans-Atlantic crossing. In December 2016, the Italian Air Force's first F-35s arrived at the first in-country base, Amendola AB. The F-35 Lightning II is a 5th generation fighter, combining advanced stealth with fighter speed and agility, advanced mission systems, fully fused sensor information, network-enabled operations and cutting-edge sustainment. Three distinct variants of the F-35 will replace the A-10 and F-16 for the U.S. Air Force, the F/A-18 for the U.S. Navy, the F/A-18 and AV-8B Harrier for the U.S. Marine Corps, and a variety of fighters for at least 11 other countries. The Italian F-35As and Bs replace the legacy Panavia Tornado, AMX and AV-8B aircraft. More than 200 production F-35s have been delivered fleet-wide and have flown more than 90,000 flight hours. More information is available online at www.lockheedmartin.com and www.f35.com. About Lockheed Martin Headquartered in Bethesda, Maryland, Lockheed Martin is a global security and aerospace company that employs approximately 97,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services. To view the original version on PR Newswire, visit:http://www.prnewswire.com/news-releases/first-italian-built-f-35b-rolls-out-of-cameri-production-facility-300452416.html


News Article | February 17, 2017
Site: www.PR.com

Event organizers SMi Group, partnered with the Czech Air Force, have released the agenda for their second annual Fast Jet Pilot Training Central and Eastern Europe (CEE) conference, returning to Prague on the 5th and 6th June 2017. Prague, Czech Republic, February 17, 2017 --( Featured topics from the agenda include: - Keynote Welcome Address From The Commander Of The Czech Air Force: The Ongoing Modernisation Efforts of the Czech Air Force and Future Developments Major General Jaromir Sebesta, Commander, Czech Air Force - Air Policing, a CAOC perspective… Major General Thierry Dupont, Commander CAOC Uedem, NATO - The Hungarian Acquisition of Cutting Edge Fast Jets in order to take a Leading Role in Regional Air Policing Brigadier General Csaba Ugrik, Commander HDF 59th SZD Air Base, Hungarian Air Force - Recent Developments Leading the Italian Air Force to Forefront of Fast Jet Training Colonel Luigi Casali, Commander 61st Stormo, Italian Air Force - The Canadian Experience of Providing Fast Jet Training for International Allies Colonel Denis O’Reilly, Commander 15 Wing, Royal Canadian Air Force Lieutenant Colonel Mike Grover, Commander 419 Tactical Fighter Training Squadron, Canadian Air Force - Creating the Next Generation Czech Air Force Colonel Jaroslav Mika, Chief A7 Branch and Chief of Combat Training, Czech Air Force Four Reasons to Attend 1. Hear expert briefings from Commanders and senior Officers delivering exclusive information on operational capabilities as well as current and future requirements 2. Discuss highly relevant aspects of fast jet pilot training including advanced simulation technology and the latest training aircrafts, such as the Alenia Aermacchi M-346 Master Jet Trainer and the Aero Vodochody L39 NG 3. Supported by the Czech Air Force, NATO, EDA as well as key regional and international Air Forces including Germany, Hungary, Canada and Italy 4. Dedicated solution zone where international industry leaders will showcase their latest pilot training technologies and programs The event agenda is available at http://www.fastjettraining.com/prcom There will also be a post conference, half day workshop, on the 7th June entitled: "Learning from the Successes and the Failures of a Modern Air Force: A Guide to Effective Flight Training" hosted by Squadron Leader Tim Davies, Officer Commanding Standards and Instructor Training Hawk T2 Training from the Royal Air Force. For further information on this conference or the workshop, please visit the conference website. For sponsorship enquiries, please contact Justin Predescu on +44 (0) 207 827 6130 or jpredescu@smi-online.co.uk For delegate enquiries, please contact James Hitchen on +44 (0) 207 827 6054 or jhitchen@smi-online.co.uk For media enquiries, please contact Shannon Cargan on +44 20 7827 6138 or scargan@smi-online.co.uk Fast Jet Pilot Training 5th-6th June 2017 Prague, Czech Republic http://www.fastjettraining.com/prcom About SMi Group: Established since 1993, the SMi Group is a global event-production company that specializes in Business-to-Business Conferences, Workshops, Masterclasses and online Communities. We create and deliver events in the Defence, Security, Energy, Utilities, Finance and Pharmaceutical industries. We pride ourselves on having access to the world's most forward thinking opinion leaders and visionaries, allowing us to bring our communities together to Learn, Engage, Share and Network. More information can be found at http://www.smi-online.co.uk Prague, Czech Republic, February 17, 2017 --( PR.com )-- The aim of this year’s agenda is to encourage improved cooperation and interoperability among the air forces of regional allies, in the pursuit of enhancing air force power in the region. The meeting will provide a forum for leading solution providers to exhibit and discuss recent developments in fast jet training technology, as well as the activities, capabilities and requirements of participating powers.Featured topics from the agenda include:- Keynote Welcome Address From The Commander Of The Czech Air Force: The Ongoing Modernisation Efforts of the Czech Air Force and Future DevelopmentsMajor General Jaromir Sebesta, Commander, Czech Air Force- Air Policing, a CAOC perspective…Major General Thierry Dupont, Commander CAOC Uedem, NATO- The Hungarian Acquisition of Cutting Edge Fast Jets in order to take a Leading Role in Regional Air PolicingBrigadier General Csaba Ugrik, Commander HDF 59th SZD Air Base, Hungarian Air Force- Recent Developments Leading the Italian Air Force to Forefront of Fast Jet TrainingColonel Luigi Casali, Commander 61st Stormo, Italian Air Force- The Canadian Experience of Providing Fast Jet Training for International AlliesColonel Denis O’Reilly, Commander 15 Wing, Royal Canadian Air ForceLieutenant Colonel Mike Grover, Commander 419 Tactical Fighter Training Squadron, Canadian Air Force- Creating the Next Generation Czech Air ForceColonel Jaroslav Mika, Chief A7 Branch and Chief of Combat Training, Czech Air ForceFour Reasons to Attend1. Hear expert briefings from Commanders and senior Officers delivering exclusive information on operational capabilities as well as current and future requirements2. Discuss highly relevant aspects of fast jet pilot training including advanced simulation technology and the latest training aircrafts, such as the Alenia Aermacchi M-346 Master Jet Trainer and the Aero Vodochody L39 NG3. Supported by the Czech Air Force, NATO, EDA as well as key regional and international Air Forces including Germany, Hungary, Canada and Italy4. Dedicated solution zone where international industry leaders will showcase their latest pilot training technologies and programsThe event agenda is available at http://www.fastjettraining.com/prcomThere will also be a post conference, half day workshop, on the 7th June entitled: "Learning from the Successes and the Failures of a Modern Air Force: A Guide to Effective Flight Training" hosted by Squadron Leader Tim Davies, Officer Commanding Standards and Instructor Training Hawk T2 Training from the Royal Air Force.For further information on this conference or the workshop, please visit the conference website.For sponsorship enquiries, please contact Justin Predescu on +44 (0) 207 827 6130 or jpredescu@smi-online.co.ukFor delegate enquiries, please contact James Hitchen on +44 (0) 207 827 6054 or jhitchen@smi-online.co.ukFor media enquiries, please contact Shannon Cargan on +44 20 7827 6138 or scargan@smi-online.co.ukFast Jet Pilot Training5th-6th June 2017Prague, Czech Republichttp://www.fastjettraining.com/prcomAbout SMi Group:Established since 1993, the SMi Group is a global event-production company that specializes in Business-to-Business Conferences, Workshops, Masterclasses and online Communities. We create and deliver events in the Defence, Security, Energy, Utilities, Finance and Pharmaceutical industries. We pride ourselves on having access to the world's most forward thinking opinion leaders and visionaries, allowing us to bring our communities together to Learn, Engage, Share and Network. More information can be found at http://www.smi-online.co.uk Click here to view the list of recent Press Releases from SMi Group


News Article | February 17, 2017
Site: www.PR.com

SMi Group have released the agenda for their highly anticipated Close Air Support conference, coming to London on the 7th and 8th June 2017. London, United Kingdom, February 17, 2017 --( This year’s agenda will focus on established and emerging technologies; placing emphasis on the needs of the soldier, both on the ground and in the air. Along with senior leadership from future capability development, operations and JTAC training, the conference will discuss the next generation of solutions currently being developed by the industry. Featured topics from the agenda: - German Armed Forces Strengthening of Close Air Support and Joint Fires Colonel Dietmar Felber, Chief, Joint Fire Support and Indirect Fire Branch, Army Concepts and Capabilities Development Centre of the German Army - Czech Armed Forces Advancement of Close Air Support Capability Colonel Zdenek Bauer, Deputy Chief of Staff, Air Operations, Czech Air Force - Developing Future NATO Forward Air Control Capabilities and Doctrine Lieutenant Colonel James Krischke, Chief, Forward Air Control Capabilities Section, Air Command, NATO - Air Land Integration and Digitalisation of Close Air Support within the French Air Force Lieutenant Colonel Thierry Aguilar, Digitally Aided Close Air Support Program Officer, Fighter Equipment, French Air Force - Current Approaches and Future Capabilities to Develop CloseAir Support within the Italian Air Force Lieutenant Colonel Marco Ruggeri, 132nd SquadronCommander, 51st Wing, Italian Air Force Five reasons to attend: 1. Deliberate the broad spectrum of capability areas for successfully CAS delivery, including air land integration, joint ISR and targeting, C2 and battle space management, JTAC and combat air training, platforms and precision munitions 2. Hear key updates from the UK, US, French, German, Italian, Netherlands, NATO and the Czech Armed Forces 3. Gain an insight into the technology enabling the next generation of close air support, examining advanced simulation, sensors, command and control and munitions at the heart of close air targeting and delivery 4. Examine live and synthetic close air support training with a dedicated pre-conference workshop covering future concepts and approaches to leveraging simulation 5. Cover requirements for the strengthening of interoperability within a coalition environment: Feedback from NATO Air Commands ongoing efforts as well as leading multi-national exercises, such as Ample Strike 2016/17 The full event agenda is available at www.closeair-support.com/prcom There will also be a half day workshop on the 6th June on: "Close Air Support Collective Training and the Changing Role of Simulation" hosted by Mr Nick Sparks, Principal Consultant, Air Land Integration Ltd. For further information on this conference or the workshop, please visit the website. For sponsorship or delegate enquiries, please contact Andrew Gibbons on +44 (0) 207 827 6156, agibbons@smi-online.co.uk For all media enquiries, please contact Shannon Cargan on +44 20 7827 6138, scargan@smi-online.co.uk Close Air Support 7th-8th June 2017 London, UK http://www.closeair-support.com/prcom About SMi Group: Established since 1993, the SMi Group is a global event-production company that specializes in Business-to-Business Conferences, Workshops, Masterclasses and online Communities. We create and deliver events in the Defence, Security, Energy, Utilities, Finance and Pharmaceutical industries. We pride ourselves on having access to the world's most forward thinking opinion leaders and visionaries, allowing us to bring our communities together to Learn, Engage, Share and Network. More information can be found at http://www.smi-online.co.uk London, United Kingdom, February 17, 2017 --( PR.com )-- Close air support remains a core competency that underpins ground operations. For both conventional and asymmetric operations, it is imperative that this vital asset is maintained and built. The opportunities for increased agility, interoperability and combat effectiveness are greater than ever. A shift toward fully digitalized joint fires, with the ability to swiftly target and deliver air power now sets the standard.This year’s agenda will focus on established and emerging technologies; placing emphasis on the needs of the soldier, both on the ground and in the air. Along with senior leadership from future capability development, operations and JTAC training, the conference will discuss the next generation of solutions currently being developed by the industry.Featured topics from the agenda:- German Armed Forces Strengthening of Close Air Support and Joint FiresColonel Dietmar Felber, Chief, Joint Fire Support and Indirect Fire Branch, Army Concepts and Capabilities Development Centre of the German Army- Czech Armed Forces Advancement of Close Air Support CapabilityColonel Zdenek Bauer, Deputy Chief of Staff, Air Operations, Czech Air Force- Developing Future NATO Forward Air Control Capabilities and DoctrineLieutenant Colonel James Krischke, Chief, Forward Air Control Capabilities Section, Air Command, NATO- Air Land Integration and Digitalisation of Close Air Support within the French Air ForceLieutenant Colonel Thierry Aguilar, Digitally Aided Close Air Support Program Officer, Fighter Equipment, French Air Force- Current Approaches and Future Capabilities to Develop CloseAir Support within the Italian Air ForceLieutenant Colonel Marco Ruggeri, 132nd SquadronCommander, 51st Wing, Italian Air ForceFive reasons to attend:1. Deliberate the broad spectrum of capability areas for successfully CAS delivery, including air land integration, joint ISR and targeting, C2 and battle space management, JTAC and combat air training, platforms and precision munitions2. Hear key updates from the UK, US, French, German, Italian, Netherlands, NATO and the Czech Armed Forces3. Gain an insight into the technology enabling the next generation of close air support, examining advanced simulation, sensors, command and control and munitions at the heart of close air targeting and delivery4. Examine live and synthetic close air support training with a dedicated pre-conference workshop covering future concepts and approaches to leveraging simulation5. Cover requirements for the strengthening of interoperability within a coalition environment: Feedback from NATO Air Commands ongoing efforts as well as leading multi-national exercises, such as Ample Strike 2016/17The full event agenda is available at www.closeair-support.com/prcomThere will also be a half day workshop on the 6th June on: "Close Air Support Collective Training and the Changing Role of Simulation" hosted by Mr Nick Sparks, Principal Consultant, Air Land Integration Ltd.For further information on this conference or the workshop, please visit the website.For sponsorship or delegate enquiries, please contact Andrew Gibbons on +44 (0) 207 827 6156, agibbons@smi-online.co.ukFor all media enquiries, please contact Shannon Cargan on +44 20 7827 6138, scargan@smi-online.co.ukClose Air Support7th-8th June 2017London, UKhttp://www.closeair-support.com/prcomAbout SMi Group:Established since 1993, the SMi Group is a global event-production company that specializes in Business-to-Business Conferences, Workshops, Masterclasses and online Communities. We create and deliver events in the Defence, Security, Energy, Utilities, Finance and Pharmaceutical industries. We pride ourselves on having access to the world's most forward thinking opinion leaders and visionaries, allowing us to bring our communities together to Learn, Engage, Share and Network. More information can be found at http://www.smi-online.co.uk Click here to view the list of recent Press Releases from SMi Group


Gianfelice M.,University of Calabria | Maimone F.,Italian Air Force | Pelino V.,Italian Air Force | Vaienti S.,University of Toulon
Communications in Mathematical Physics | Year: 2012

Lie-Poisson structure of the Lorenz'63 system gives a physical insight on its dynamical and statistical behavior considering the evolution of the associated Casimir functions. We study the invariant density and other recurrence features of a Markov expanding Lorenz-like map of the interval arising in the analysis of the predictability of the extreme values reached by particular physical observables evolving in time under the Lorenz'63 dynamics with the classical set of parameters. Moreover, we prove the statistical stability of such an invariant measure. This will allow us to further characterize the SRB measure of the system. © 2012 Springer-Verlag.


Pelino V.,Italian Air Force | Maimone F.,Italian Air Force | Pasini A.,CNR Institute of Atmospheric Pollution Research
Nonlinear Processes in Geophysics | Year: 2012

It has been shown that forced Lorenz models generally maintain their two-lobe structure, just giving rise to changes in the occurrence of their regimes. Here, using the richness of a unified formalism for Kolmogorov-Lorenz systems, we show that introducing oscillating forcings can lead to the birth of new regimes and to a four-lobe attractor. Analogies within a climate dynamics framework are mentioned. © Author(s) 2012.


Pasini A.,CNR Institute of Atmospheric Pollution Research | Langone R.,Catholic University of Leuven | Maimone F.,Italian Air Force | Pelino V.,Italian Air Force
Nonlinear Processes in Geophysics | Year: 2010

In the framework of a unified formalism for Kolmogorov-Lorenz systems, predictions of times of regime transitions in the classical Lorenz model can be successfully achieved by considering orbits characterised by energy or Casimir maxima. However, little uncertainties in the starting energy usually lead to high uncertainties in the return energy, so precluding the chance of accurate multi-step forecasts. In this paper, the problem of obtaining good forecasts of maximum return energy is faced by means of a neural network model. The results of its application show promising results. © Author(s) 2010.


Santo L.,University of Rome Tor Vergata | Quadrini F.,University of Rome Tor Vergata | Squeo E.A.,University of Rome Tor Vergata | Dolce F.,Italian Air Force | And 5 more authors.
Microgravity Science and Technology | Year: 2012

Shape memory epoxy foams were used for an experiment on the International Space Station to evaluate the feasibility of their use for building multi-functional composite structures. A small equipment was designed and built to simulate the actuation of simple devices in micro-gravity conditions: three different configurations (compression, bending and torsion) were chosen during the memory step of the foams so as to produce their recovery on ISS. Two systems were used for the experimentation to avoid damages of the flight model during laboratory tests; however a single ground experiment was performed also on the flight model before the mission. Micro-gravity does not affect the ability of the foams to recover their shape but it poses strong limits for the heating system design because of the difference in heat transfer on earth and in orbit. A full recovery of the foam samples was not achieved due to some limitations in the maximum allowable temperature on ISS for safety reasons: anyway a 70% recovery was also measured at a temperature of 110°C. Ground laboratory experiments showed that 100% recovery could be reached by increasing the maximum temperature to 120°C. Experiment results have provided many useful information for the designing of a new structural composite actuator by using shape memory foams. © Springer Science+Business Media B.V. 2012.


Palla C.,Cranficld University | Kingston J.,Cranficld University | Peroni M.,Italian Air Force
Proceedings of the International Astronautical Congress, IAC | Year: 2015

Spaee missions in Low Earth Orbit (LEO) are severely affected by the build-up of orbital debris. A key practise, to be compliant with IADC (Inter-Agency Space Debris Coordination Committee) mitigation guidelines, is the removal of spaee systems that interfere with the LEO region not later than 25 years after the End of Mission. It is important to note that the current guidelines arc not generally legally binding, even if different Spacc Agencies are now looking at the compliance for their missions. If the guidelines will change in law, it will be mandatory to have a post mission disposal system for all satellites, including micro and smaller classes. A potential increased number of these satellites is confirmed by different projections, in particular in the commercial sector. Micro and smaller spacecraft are, in general, not provided with propulsion capabilities to achieve a controlled re-entry, so they need different de-orbit disposal methods. When considering the utility of different debris mitigation methods, it is useftil to understand which spacecraft subsystems are most likely to fail and how this may affect the operation of a de-orbit system. This also helps the consideration of which components are the most relevant or should be redundant and included depending on the satellite mass class. This work is based on a sample of recently launched LEO satellites with mass lower than 1000 kg. Failure analysis of satellite subsystems is performed using a statistical approach. The study is carried out by using the satellite database SpaccTrak™ which prov ides anomalies, failures, and trends information for spacecraft subsystems and launch vehicles. The database identifies five states for each satellite subsystem: Three degraded states, one fully operational state, and one failed state (complete failure). The results obtained can guide the identification of the activation procedure for a de-orbit strategy and the level of integration it should have with the host satellite in order to be activated before a total failure. At Cranfield Space Research Centre two different solutions have already been developed as de-orbit sail pay loads for micro satellites (Icarus-1 on TechDemoSat-1, DOM for future ESA ESEO mission). This study will provide a useful input to improve and refine the current de-orbit concepts for future satellite missions. Copyright © (2015) by International Astronautical Federation All rights reserved.


Ripesi P.,University of Rome Tor Vergata | Ciciulla F.,Italian Air Force | Maimone F.,Italian Air Force | Pelino V.,Italian Air Force
Quarterly Journal of the Royal Meteorological Society | Year: 2012

The atmospheric dynamics during the occurrence of the extreme negative value of the Arctic Oscillation Index in February 2010 are investigated using meteorological fields from ERA-Interim and ERA-40 reanalysis data. The study focuses on the possible causes of this anomalous value, finding that it was forced by a geopotential anomaly that propagated downward from the stratosphere to the troposphere in association with a major sudden stratospheric warming event which occurred at the end of January. An analysis of the dynamics of this warming is also developed, together with a comparison with past similar events. Synoptic and spectral properties of the geopotential fields are analyzed, and the time series of the 'Baroclinic Activity Index' are computed, finding an abrupt increase of the middle latitude baroclinic activity immediately after the central date of the warming event. A possible interpretation of this feature is proposed. © 2012 Royal Meteorological Society.

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