Su-27 fighter jets fly above a military base in the Zhytomyr region, Ukraine, on December 6, 2018. Ukraine's President Volodymyr Zelenskyy has made a “desperate” plea to the United States to help Kyiv get more warplanes to fight Russia's invasion. (Photo by Mikhail Palinchak, Presidential Press Service via AP Photo)





An MV-22 Osprey participates during a joint military helicopter borne operation drill between Japan Ground Self-Defense Force (JGSDF) and U.S. Marines at Higashi Fuji range in Gotemba, southwest of Tokyo, Tuesday, March 15, 2022. (Photo by Eugene Hoshiko/AP Photo)





In this photo released by the Russian Defense Ministry Press Service, a pair of Russian Su-35 fighter jets fly in the sky in Russia, November 28, 2021. The amassing of Russian troops and equipment near Ukraine's border has caused worries in Kyiv and in the West that Moscow could be planning to launch an invasion. Russia, the United States and its NATO allies are meeting this week for negotiations focused on Moscow's demand for Western security guarantees and Western concerns about a recent buildup of Russian troops near Ukraine. (Photo by Russian Defense Ministry Press Service via AP Photo, File)





A United States Marine Corps F-35B Lightning II takes part in an aerial display during the Singapore Airshow 2022 at Changi Exhibition Centre in Singapore, Tuesday, February 15, 2022. (Photo by Suhaimi Abdullah/AP Photo)





A U.S. Air Force F-35 Lightning II aircraft assigned to the 34th Fighter Squadron receives fuel from a KC-10 Extender aircraft over Poland, February 24, 2022. (Photo by Senior Airman Joseph Barron/U.S. Air Force/Handout via Reuters





Two Mirage 2000-5F fighter jets of the French Air Force are seen next to an Airbus A330 MRTT “Phenix” in the airspace of Poland as part of NATO's enhanced Air Policing (eAP) to secure the skies over Baltic allies, March 29, 2022. (Photo by Benoit Tessier/Reuters)





A Taiwan Air Force Mirage 2000 fighter jet takes off from a closed section of highway during the annual Han Kuang military exercises, Tuesday, September 16, 2014, in Chiayi, central Taiwan. Taiwan’s air force said one of its French-made Mirage 2000 fighter jets appears to have been lost off the island’s east coast, but the pilot has been rescued after parachuting to safety. (Photo by Wally Santana/AP Photo/File)





The Swiss Air Force PC-7 Team fly in front of the 4506 meters high Weisshorn mountain in the Swiss Alps prior to the start of the FIS Alpine Ski World Cup in Crans-Montana, Switzerland, on February 26, 2022. (Photo by Fabrice Coffrini/AFP Photo)





Crew personnel attends to the Airbus A400M aircraft on display during the Singapore Airshow 2022 at Changi Exhibition Centre in Singapore, Tuesday, February 15, 2022. (Photo by Suhaimi Abdullah/AP Photo)





A formation of 42 F-35A Lightning II’s, 354th Fighter Wing, during a routine readiness exercise at Eielson Air Force Base, Alaska on March 25, 2022. The capabilities demonstration represents the culmination of the dedicated efforts of the 354th Fighter Wing, with each Airman providing vital contributions to ensure Team Eielson is ready to deliver airpower anytime, anywhere. (Photo by Jose Miguel/South West News Service)





Rafale jet fighters of the French Air Force patrol the airspace at night over Poland on March 4, 2022, as part of Nato's surveillance system conducted in collaboration with the military aviation of other countries of the Alliance. (Photo by Nicolas Tucat/AFP Photo)





In this image provided by the U.S. Air Force, a U.S. Air Force F-15C Eagle assigned to the 493rd Fighter Squadron, Royal Air Force (RAF) Lakenheath, takes off in support of North Atlantic Treaty Organization enhanced air policing missions with the Polish Air Force at Lask Air Base, Poland, February 15, 2022. Russia's attack on Ukraine's Zaporizhzhia nuclear power plant has renewed calls for NATO to impose a no-fly zone over Ukraine, despite the repeated rejection of the idea by western leaders concerned about triggering a wider war in Europe. (Photo by Tech. Sgt. Jacob Albers/U.S. Air Force via AP Photo)





Photographers underneath a United States Air Force (USAF) B-52 bomber on Thursday, February 10, 2022, during landing at RAF Fairford, as tensions remain high over the build-up of Russian forces near the border with Ukraine. (Photo by Ben Birchall/PA Images via Getty Images)





Vapour bounced off the wings of the Lockheed Martin F-35 Lightning II as it sped over the Welsh mountains at a swift 575mph on February 10, 2022. The jet was taking part in a low-level training exercise through the Mach Loop – a series of valleys in North Wales. (Photo by Thomas Winstone/News Images)