chunk: In 1957, nineteen years after The Last Crusade, Indiana Jones and his partner George "Mac" McHale are kidnapped in Nevada by Soviet agents under Colonel Dr. Irina Spalko. The Soviets infiltrate a warehouse labeled "Warehouse 51" and force Jones to locate an alien corpse with a crystal skull, recovered ten years earlier. Upon its discovery, Mac reveals he is a double agent working for the Soviets. Jones escapes and unsuccessfully attempts to retrieve the skull. After a fight with Spalko's sadistic henchman, Colonel Antonin Dovchenko, Jones escapes to a model town at the Nevada Test Site, minutes before an atomic bomb test, and takes shelter in a lead-lined refrigerator. Jones is rescued, decontaminated, and apprehended by FBI agents, who suspect him of working for the Soviets; and though freed on the recommendation of General Ross, who vouches for him, he is put on indefinite leave of absence from Marshall College, also at the cost of the dean having to resign to keep Indiana's job at