The Marine Corps Basic Enlisted Flight Crew Marine MOS 7300 is a military occupational specialty (MOS) that includes duties such as:
Operating aircraft communications and detection equipment
Conducting pre-flight, in-flight, and post-flight inspections of onboard equipment
Operating and maintaining aircraft weapons and defensive systems
Coordinating and planning flight missions
Performing duties related to the maintenance and operation of aircraft and helicopters
Marines in this field may have jobs such as helicopter specialist, unmanned aircraft system operator, tactical systems operator, or airborne radio operator.