SEA-AIR-SPACE 2022--NATIONAL HARBOR, Md. Collins Aerospace has won a contract with the U.S. Navy to develop a very-low-frequency (VLF) communications system for the E-6B Recapitalization Program (E-XX) as part of the Navy’s Take Charge and Move Out Weapons System, the company reported during the Navy League's Sea-Air-Space exposition, held this week at the Gaylord National Convention Center.