United States military aircraft by decade of first flight
1900s • 1910s • 1920s • 1930s • 1940s • 1950s • 1960s • 1970s • 1980s • 1990s • 2000s • 2010s

Aircraft of the 1940s by nation
Austria • Canada • Czechoslovakia • China • France • Germany • Italy • Japan • Poland • Romania • Soviet Union • Yugoslavia • United Kingdom • United States