flight-line service
аеродромне обслуговування
аеродромне обслуговування
deployment line; line of deployment (LD); line of departure
flight-line inspector coordinator
side cap; garrison / flight cap (US); wedge cap (Canada); field service cap (UK)
operational flight information service
observer-target line (OT line)
branch (military/service branch, armed service)
separate from active service / the service
Y service (Y-service) / Y-station
regional meteorological service/ regional weather service (RWS)