The nuclear weapons of the United States comprise the second-largest arsenal in the world, behind Russia. The US is only country to have used nuclear weapons in warfare, in the atomic bombings of Hiro
Atomic bombings of Hiroshima and Nagasaki, 1945. The US is the only country to have used nuclear weapons in war.
A Minuteman III ICBM test launch.
B-2 Spirit stealth strategic bomber.
USS Kentucky, an Ohio-class ballistic missile submarine.
The United States chemical weapons program began in 1917 during World War I with the creation of the U.S. Army's Gas Service Section and effectively ended 73 years later in 1990 with the country's ado
United States and weapons of mass destruction
…tests from 1945 to 1992, primarily at the Nevada Test Site and Pacific Proving Grounds. It signed the Comprehensive Nuclear-Test-Ban Treaty in 1996. The US chemical weapons program began during World War I, and during the Cold War stockpiled primarily sarin, VX, and mustard gas. These were deployed abroad, including in Okinawa and…
Artillery shells containing mustard gas, a key component of the U.S. Cold War chemical arsenal.
A white phosphorus munition explodes and a portable flamethrower can be seen during a demonstration at Edgewood Arsenal, 1943.
Honest John missile warhead cutaway, showing M134 Sarin bomblets (photo c. 1960)
An M55 rocket, used to deliver sarin or VX nerve agents.