Complex sentence: The 1st Marine Aircraft Wing, with 6,400 personal located throughout Korea, supported with helicopter evacuations of night frontline combat casualties, artillery spotting flights, airborne control of airstrikes and routine liaison and reconnaissance, administrative, and resupply flights.
Split into simpler sentences: The 1st Marine Aircraft Wing, with 6,400 personal located throughout Korea, supported with helicopter evacuations of night frontline combat casualties, artillery spotting flights, and airborne control of airstrikes. They also flew routine liaison and reconnaissance, administrative, and resupply flights.