While the B-17 helped win World War II and could defend itself with its 13 machine gun placements, they weren't nearly as agile as smaller fighter planes and were vulnerable without escort planes.

160 fighter planes from the Navy’s Air Force and the Red Army's fighter aviation were allocated. This included Yak-3 and Yak-9 aircraft, as well as several Kittyhawk night fighters provided ...

Sukhoi Su-57 is the Russian military's attempt to keep up with the fifth-generation fighters, but its manufacturing ... the tolerances required for stealth aircraft. They were built by hand ...