Helicopter/Tiltrotor dynamic components mechanics inspect, maintain, test and repair helicopter/tiltrotor dynamic components.

Helicopter airframe mechanics, CH-46; inspect, maintain, and repair helicopter airframe systems.

Helicopter airframe mechanics, CH-53; inspect, maintain, and repair helicopter airframe systems.

Helicopter airframe mechanics, UH/AH-1; inspect, maintain, and repair helicopter airframe systems.

Tiltrotor airframe mechanics, MV-22; inspect, maintain, and repair tiltrotor airframe systems.

Presidential support specialists perform duties incident to the mission of the executive flight detachment of HMX-1.

Helicopter crew chiefs, CH-46, are flight crewmembers that perform duties incident to the maintenance and operation of Marine CH-46 helicopters.

Helicopter crew chiefs, CH-53; are flight crewmembers that perform duties incident to the maintenance and operation of Marine CH-53 helicopters.