[1] In 1953, the unit flew the Sikorsky HRS-1 and during this period took part in Operation Desert Rock, the first atomic test to use ground troops.

[2]: 6  In December 1964, a disastrous flood struck Northern California, and on Christmas Eve, HMM-363 deployed aboard the USS Bennington and rushed northward to the disaster area.

[3] The squadron’s initial troop insert was a combined operation with HMM-161 in moving the 3rd Battalion 3rd Marines into a landing zone south of Da Nang at Marble Mountain.

At the beginning of 1966 the squadron remained at Qui Nhon under the operational control of the Commanding General, U.S. Field Forces, Vietnam.

During the flight up the coast the medevac helicopter lost its engine and crashed killing seven people including the commanding officer.

In March 1977, the squadron was selected to participate in the operational evaluation of the USS Tarawa, the first of the new large and modern amphibious ships.

HMH-363 flew countless missions and over 500 flight hours in 3½ weeks, delivering food, clothing, and shelter to inhabitants living in remote areas of the Philippines.

In December 1992, the squadron participated in Operation Restore Hope in Somalia,[8] and was awarded the Joint Meritorious Unit Commendation and Armed Forces Expeditionary Medal.

Based at Al Asad, this was the unit's first deployment in support of the Global War on Terror[9][10] During Operation Iraqi Freedom HMH-363 flew 848.8 hours in one month.

Upon activating in 3rd MAW VMM-363 would go on to serve three combat deployments in the Central Command Area of Responsibility before moving back to MCB Hawaii.