MDSU meaning in Military and Defence ?

United States Navy Explosive Ordnance Disposal technicians render safe all types of ordnance, including improvised, chemical, biological, and nuclear. They perform land and underwater location, identification, render-safe, and recovery (or disposal) of foreign and domestic ordnance. They conduct demolition of hazardous munitions, pyrotechnics, and retrograde explosives using detonation and burning techniques. They forward deploy and fully integrate with the various Combatant Commanders, Special Operations Forces (SOF), and various warfare units within the Navy, Marine Corps, Air Force and Army. They are also called upon to support military and civilian law enforcement agencies, as well as the Secret Service.

EOD Technicians' missions take them to all environments, and every climate, in every part of the world. They have many assets available to arrive to their mission, from open- and closed-circuit scuba and surface supplied diving rigs, to parachute insertion from fixed-wing aircraft and fast-rope, abseil, and Special Patrol Insertion/Extraction (SPIE) from rotary aircraft, to small boats and tracked vehicles.