One of the U.S. Navy's (USN) AN/SLQ-48(V) Mine Neutralization Vehicles (MNV) is lowered over the side prior to a mine countermeasure exercise aboard the USN Avenger Class Mine Countermeasures Ship USS ARDENT (MCM 12) on Dec. 1, 2006 on the Persian Gulf. The MNV's mission is to seek and destroy mines and is used in the region to support maritime security operations (MSO). (U.S. Navy photo by Mass Communication SPECIALIST Second Class Justin K. Thomas) (Released)