Many senior members of the U.S. military, defense officials, members of Congress, and analysts have long-warned of the growing fighter gap facing the U.S. Air Force, Navy, and Marine Corps and its implications for U.S. national security. A fighter gap is essentially a deficit between the services' fighter aircraft inventories and their operational requirements based on emerging and possible air threats to U.S. security. At a hearing just last year, defense officials testified projecting a "most-optimistic" deficit of 125 strike fighters for the Department of the Navy, including 69 aircraft for the U.S. Navy and 56 for the Marine Corps....