A term that is sometimes used for oceanic crust rocks is sima, which is short for magnesium silicate, a common component of these rocks. Another term for these undersea igneous rocks is mafic, which comes from the fact that they are high in magnesium and iron. Basalt and gabbro are examples of mafic rocks.
The current record is held by Briton Corporal of Horse (CoH) Craig Harrison, of the UKâs Household Cavalry, who recorded a 2,475 m (2,707 yd) shot (confirmed by GPS) in November 2009, also during the War in Afghanistan, in which he hit two Taliban insurgents consecutively.
Canadian Sniper's World Record Kill. Former Canadian Forces Sniper Rob Furlong discusses his world record shot of 2,430m in Afghanistan during Operation Anaconda in 2002 and his subsequent treatment by the military. Also includes some reporting from the Canadian Forces sniper school. Broadcast on CBC Sunday Report on September 9, 2007.