The M242 Bushmaster 25 mm chain-driven autocannon is used extensively by the U.S. military, as well as by NATO's and some other nations' forces in ground combat vehicles, such as the Bradley fighting vehicle and various watercraft. Originally the weapon was designed and manufactured by Hughes Ordnance in Culver City, California, however it is now produced by Northrop Grumman Innovation Systems. | Military Leak

The U.S. Army has begun testing a new 50 mm XM913 Bushmaster Chain Gun as part of its effort to develop the next-generation mechanized combat vehicle that will succeed the M2 Bradley Fighting Vehicle, according to recent reports. Northrop Grumman has delivered 16 of these larger-caliber cannons to Army test units to support evaluations tied to the XM30 Mechanized Infantry Combat Vehicle competition. The shift to 50 mm represents a move toward greater direct-fire capability and adaptability for f