Decoding the Absent Designations: Inside the Story of Non-Existent F-13 and F-17 Jets
The puzzle begins with the introduction of the Tri-Service aircraft designation system in 1962. This system was a Cold War innovation by the U.S. Department of Defense, aimed at unifying the varied naming conventions across the Air Force, Navy, Marine Corps, Army, and Coast Guard. "The Tri-Service system included designations like A for attack, B…
Source: trendydigests.com