1S, 2S, 3S, 4S, 5S, 6S etc. (S - serial / sequential)

sequential operations

sequential lobing

battalion serial

march serial

serial

Serial No

vehicle serial

parachute serial

letter bomb (parcel bomb, mail bomb, postal bomb etc)

one-time report (on status of equipment etc.)

Russian New Generation Warfare (RNGW) (4th Generation Warfare, Hybrid War etc.)

orphan (personnel / unit / tank etc)

formation of troops / ships etc.

diversion (of gasoline etc.)

hull (of a tank etc.)

augmenting charge / incremental charge (of mortar etc.)

bomb Voronezh (in response to sanction etc.)

low-altitude course (to the target etc.)

wading position (of the respirator etc)

subsume (into the command structure etc.)

fight in the ranks (of a regiment etc.)

be menaced (by a military threat etc.)

smoke trail (of a grenade etc.)

thrum of the engine (rotors etc.)

green army (regular army as opposed to special forces etc.)