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.
Rob Furlong held the record of longest kill shot recorded in history until November 2009 when his record of 2,430 m (2,657 yd) was beaten by British CoH (Corporal of Horse) of the Household Cavalry of the British Army Craig Harrison, who set a new record by shooting two Taliban fighters at 2,475 m (2,707 yd).