The AQS-20A is an airborne SONAR mine countermeasure detection system, developed by Raytheon. The system is utilized by the MH-60S and MH-53E helicopters and as part of the mission package for the Littoral Combat Ships (LCS) and some United States Navy Destroyers of the Arleigh Burke class. However, only one destroyer has been outfitted with the specific mission package as of April 2009. The AN/AQS-20 mine hunting sonar systems will be employed for deeper mine threats. The "Q-20", as it is commonly called, is an underwater towed body containing a high resolution, side-looking, multibeam sonar system used for minehunting along the ocean bottom. This rapidly deployable system provides real-time sonar images to operators in the aircraft to locate, classify, mark and record mine-like objects a