United States Navy
The MH-53E Sea Dragon is in service with the United States Navy since June 1986 when the Navy bought 40 helicopters. The MH-53E is a derived version of the CH-53E Super Stallion, is larger and has a larger fuel capacity.
The primary task is Airborne Mine Countermeasures (AMCM) which shows the E in the name. The secondary tasks can be vertical shipboard delivery and attack transports. The MH-53E is also useful for air-refueling, SAR missions, extern cargo transport and is able to operate in land and sea environment. From sea the heli is operational from aircraft carriers and other warships. The MH-53E can carry 55 troops (or 16 tons cargo) over a distance of 50 nautical miles.

Equipment
The MH-63E can be equipped with various mine countermeasures systems like the Mk 105 magnetic minesweeper sled, the AQS-14A side-scan sonar and the Mk 103 mechanic minesweeper system. For transporting troops the helicopter is equipped with the GAU-21 .50-cal. machine gun and a fuselage weapon system.