Indiana Jones worked on the Roswell UFO incident in 1945 .
In 1957 , Indiana Jones and his partner George `` Mac '' McHale are kidnapped by Soviet agents under Colonel Dr. Irina Spalko , who infiltrate a secret Nevada warehouse labeled `` Hangar 51 '' ( revealed to be where , at the end of the first film , the Ark of the Covenant was stored ) and force Jones to locate a mummified corpse from the Roswell UFO incident .
Indiana Jones and the Kingdom of the Crystal Skull