In the MLPWS configuration, Phalanx uses a 20 mm M61A1 Gatling gun that fires M-940 self-destruct rounds at a rate of 4,500 shots per minute. The system features an advanced search and track radar with closed-loop spotting technology that enables autonomous target detection and engagement. Phalanx can be interfaced with other sensors and systems to provide overarching protection of high-value sites on the ground. Oshkosh's HEMTT is a series of 10-ton, eight-wheel-drive vehicles designed to ...