Archive for April 19th, 2010

Apr 19

USS Iowa Turret Explosion

Monday, April 19, 2010 12:01 AM


On 19 April 1989, an explosion occurred in turret 2 of the battleship USS Iowa (BB 61) as the ship conducted gunnery practice near Puerto Rico. The explosion, which began in the gunpowder charge of the center gun, spread through the three gun rooms and much of the lower levels of the turret. Forty-seven Sailors died. The problem of storing and handling large quantities of high explosives in a shipboard environment, whether in peactime or in combat, posed a major challenge for ship and ordnance designers from the earliest enclosed mounts of the late 19th century. The possibility that a… Read the rest of this entry »