головний / основний аеродром
organizational maintenance (O-level) (day-to-day work that standard airfield maintenance groups perform in support of airfield operations)
main defense area (line) / main defensive position
main tank/ main fuel tank
main gear box / main rotor transmission
main rotor transmission / main gear box
main-rotor head / main-rotor hub
main-rotor hub / main-rotor head
airfield
airfield engineering
airfield service detachment
airfield support
airfield technical services
airfield-engineering and NAVAID survey
departure airfield
Airfield Denial
airfield network
airfield crash truck
airfield control communication
airfield control radar
airfield pavement
airfield servicing crew
arrival airfield
reconnaissance airfield
commodity airfield
satellite airfield
short airfield
clutch airfield
phoney airfield
marshaling airfield
auxiliary airfield
direction of the main blow
main (fighting) force(s)