The North American XB-70 Valkyrie emerged from a United States Air Force requirement in the mid-1950s for a bomber capable of ... a generation of some of America’s most advanced planes that ...
A key detail shared between Marvel Comics and the Marvel Cinematic Universe puts the debate of Captain America's age in the ...
Because as everyone reading this no doubt remembers, Captain America saving the day in The First Avenger resulted in him flying the HYDRA bomber Valkyrie into icy waters near Greenland ...