Originally requested by the US Navy as their main Airborne Mine Countermeasures (AMCM) helicopter but also used in the most common heavy-lift transport role. Beside retaining the in-flight refueling probe it has big enlarged sponsons to provide greater fuel storage. 47 delivered from 1986 and was also fielded by the Marines years later.
MH-53E Sea Dragon News
Critical Parts for CH/MH-53E Helicopters, 08-Nov-21 : #CriticalParts Partnership between US Navy Fleet Readiness Center East (FRCE) in Cherry Point, NC and Sikorsky is helping meet needs for critical parts for CH-53E Super Stallion and MH-53E Sea Dragon heavy-lift helicopters
Aerial Firefighting Training by HM-12, 26-Sep-21 : #firefighting US Navy Helicopter Mine Countermeasures Squadron HM-12 MH-53E Sea Dragon conducted aerial firefighting training with Bambi Bucket at Norfolk, VA
Reducing H-53 Overhaul Time, 06-Apr-21 : #H53 US Navy/Marines Fleet Readiness Center East (FRCE) improving maintenance, repair and overhaul (MRO) times for the H-53 heavy lift helicopter
CH-53E KRACEn Contract for Erickson, 23-Apr-20 : #KRACEn Erickson awarded a 10-year long contract known as kits, aircraft recovery, augmentation, components and engines (KRACEn) for depot level support to the US Navy/Marines H-53E fleet
AQS-24C Mine Hunting System, 12-Feb-19 : #mines Northrop Grumman delivered first AQS-24C upgraded hunting mining systems to the US Navy to be used by MH-53E Sea Dragon helicopters