[2][3] The squadron was decommissioned on 16 December 2022 in accordance with Force Design 2030[4] Provide assault support transport of combat troops, supplies and equipment during expeditionary, joint or combined operations.

Be prepared for short-notice, worldwide employment in support of Marine Air-Ground Task Force operations.

While active in Hawaii, the squadron was deployed to the Pacific Missile Range Facility, Barking Sands.

[2] Flying the Sikorsky CH-53E Super Stallion, the Squadron deployed to Iraq during Operation Iraqi Freedom from late-2009 until 2 February 2010.

HMH-366 has been presented with the following awards:[5] This article incorporates public domain material from websites or documents of the United States Marine Corps.