Operation Sailor Hat was a series of explosives effects tests, conducted by the United States Navy Bureau of Ships under the sponsorship of the Defense Atomic Support Agency. The tests consisted of tw
500 short tons (454 t) of TNT (5 by 10 meters; 16 by 33 feet) awaiting detonation at Operation Sailor Hat. The USS Atlanta is visible in the background.
USS Atlanta at the Hunters' Point Naval Shipyard, San Francisco, California, circa October 1964, while completing conversion to a weapons effects test ship
Detonation for Shot "Bravo", first of a series of three test explosions. USS Atlanta is moored in the left center. Note the shock wave spreading over the water just beyond the ship, and the shock condensation cloud lifting overhead
USS England and USS Atlanta during the second shot Charlie of Operation Sailor Hat
TNT equivalent is a convention for expressing energy, typically used to describe the energy released in an explosion. A ton of TNT equivalent is a unit of energy defined by convention to be 4.184 giga
Operation Sailor Hat
…test. Since a TNT detonation releases energy more slowly than a nuclear explosion, the blast effect at close range was designed to be equivalent to a 1 kiloton of TNT (4.2 TJ) nuclear weapon at greater distance. The main ship used for testing was the former Cleveland-class light cruiser USS Atlanta. In addition, the…
The explosion from a 14-kiloton nuclear test at the Nevada Test Site, in 1951
The damage caused by the 2011 Tōhoku tsunami.
The aftermath of the 1960 Valdivia earthquake.