Cold War — An examination of the strategic conflict between the United States and the USSR in the second half of the 20th Century , through US nuclear testing in the Marshall Islands and at the Nevada Test Site , Soviet nuclear development , the October 1962 Cuban Missile Crisis , and leading to the eventual collapse of the Soviet Union . This also includes the Palomares exhibition , an extensive accounting of the January 17 , 1966 Palomares B-52 crash — a mid-air collision between two USAF aircraft ( a B-52 bomber and a KC-135 tanker ) over Palomares , Almería resulting in radioactive contamination following the accidental dropping of four hydrogen bombs
1966 Palomares B-52 crash
1966 Palomares B-52 crash
National Museum of Nuclear Science & History