preventive maintenance checks and services (PMCS)

maintenance checks / routine maintenance, scheduled tasks

routine maintenance / scheduled tasks, maintenance checks

scheduled tasks / routine maintenance, maintenance checks

crew (preventive) maintenance

preventive-maintenance overhaul

unscheduled preventive maintenance

preventive maintenance

system of checks and balances

Trails, Lay, Aimpoint established, Boresight verified, Safe [verification of lay], Prefire checks performed, Ammunition Prepared

universal background checks

depot maintenance (beyond O and I level activities, performed in an industrial-type facility) / D-level maintenance

contingency maintenance / special maintenance

maintenance idling (periodic running of engine for maintenance purposes)

organizational maintenance (O-level) (day-to-day work that standard airfield maintenance groups perform in support of airfield operations)

special maintenance / contingency maintenance

commissary and community services

materiel and services

miscellaneous supplies, services and equipment

NATO Communication and Information Systems Services Agency (NCSA)

postal and courier services

Royal United Services Institute for defense and Security Studies (RUSI)

supplies and services

communications and instrumentation support services

intelligence and counter-espionage services

administrative and operational services costs

Charter on the rights and obligations of States relating to global navigation satellite system (GNSS) services

preventive & precautionary measures

preventive deployment

preventive diplomacy

preventive medicine (PVNTMED)

preventive options

United Nations Preventive Deployment Force (UNPREDEP)