The United Aircraft Corporation revealed that the trials of the second-stage engine for Russia’s fifth-generation PAK FA fighter jet will begin in 2018. Trials of the main engine are due to begin in 2017 and the entire project will be completed by 2020, according to United Aircraft Corporation chief Alexandr Artyukhov.Â
211216-N-QI061-1222 NAVAL STATION MAYPORT, Fla. (December 16, 2021) An MQ-4C Triton Unmanned Aircraft System (UAS), assigned to Unmanned Patrol Squadron 19 (VUP-19), sits on the flight line at Naval Station Mayport, Florida, Dec. 16, 2021. VUP-19, the Navy’s first Triton squadron, will continue to maintain and operate the aircraft off the East Coast to further develop the concept of operations and refine tactics, techniques, and procedures. (U.S. Navy photo by Mass Communication Specialist 2nd Class Nathan T. Beard/ Released)