Extended Range Cannon Artillery (ERCA). Image – U.S. Army/Ana Henderson The Army has pulled the plug on its Prolonged Assortment Cannon Artillery (ERCA) program. The challenge, introduced in 2018, aimed
U.S. Navy San Antonio-class amphibious transport dock ship USS Mesa Verde (LPD 19), left, and Wasp-class amphibious assault ship USS Bataan (LHD 5), right, transit in formation in the Mediterranean