of ordnance in an underground munitions store killed 70 people. August 9, 1965: Searcy missile silo fire, Arkansas. 53 contract workers were killed during a fire at a Titan missile silo. The cause of the fire was determined to be a welding rod damaging a hydraulic hose carrying Aerozine 50 fuel. This allowed the hypergolic fuel vapors to spread throughout the silo, which were then ignited by an open flame. April 13, 1976: Lapua Cartridge Factory explosion. An explosion in a munitions factory in Lapua, Finland, kills 40 workers. May 5, 1983: "6 Martie" Ammunition Factory in Zărnești, Romania. An explosion in the production facilities inside the factory completely destroyed two buildings, killing 37 people and injuring more than 300. April 10, 1988: Ojhri Camp, Rawalpindi, Pakistan. A military storage center exploded, killing more than 90 people. July 11, 2011: Evangelos Florakis Naval Base explosion, Cyprus. The disaster occurred when 98 containers of gunpowder exploded; 13 people were killed, among them the captain of the base, three commanders, twin brothers who were serving there as marines, and six firefighters. 62 people were injured and the explosion knocked out the island's power station for days. Energy industry October 1957: The Windscale fire, the worst nuclear accident in the United Kingdom's history, released substantial amounts of radioactive contamination into the surrounding area at Windscale, Cumberland (now Sellafield, Cumbria). The incident led to about 100 to 240 cancer deaths. May 1962: The Centralia mine fire in the U.S. state of Pennsylvania began due to a fire on the surface accidentally igniting the mine's shallow coal vein, forcing the gradual evacuation of the Centralia borough. The fire continues to burn underneath the abandoned settlement. October 1963: The Vajont Dam overflow, caused by a massive landslide, leading to the complete destruction of several villages and towns, and 1,917 deaths in northern Italy. The accident was anticipated by numerous warnings and signs of dangers disregarded by the electrical company and government. March 4, 1965: The Natchitoches explosion: A 32-inch gas transmission pipeline, north of Natchitoches, Louisiana, belonging to the Tennessee Gas Pipeline exploded and burned from stress corrosion cracking on March 4, killing 17 people. At least 9 others were injured, and 7 homes 450 feet from the rupture were destroyed. The same pipeline also had an explosion on May 9, 1955, just 930 feet (280 m) from the 1965 failure. March 1967: The supertanker was