Intermediate Maintenance (I-level) (in centrally located facilities within a designated geographical area)

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

I-level training (Intermediate Maintenance)

centrally-controlled sight

within level stock

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

intermediate maintenance

fire within the battle area

Naval Facilities Engineering Command Technical Publication - Maintenance Operation

designated personnel

designated route

designated units

perform designated missions

reservists designated for service

designated

Specially Designated Nationals and Blocked Persons List (the)

geographical landmark

geographical position

working group on equitable geographical representation

north reference direction of geographical meridian

geographical coordinates

geographical azimuth

geographical barrier

geographical location name

geographical reference

geographical reference guidance

maintenance level

trajectory within a standard atmosphere

within range of enemy influence

within visual range (WVR)

sow discord within

base of operations within a foreign country with which a resident spy may liaise

within cannon shot