Перевірки придатності (стосується дронів)
preventive maintenance checks and services (PMCS)
system of checks and balances
Trails, Lay, Aimpoint established, Boresight verified, Safe [verification of lay], Prefire checks performed, Ammunition Prepared
universal background checks
maintenance checks / routine maintenance, scheduled tasks
routine maintenance / scheduled tasks, maintenance checks
scheduled tasks / routine maintenance, maintenance checks