orphan (personnel / unit / tank etc)

hull (of a tank etc.)

dive (on a building, a tank etc.)

turtle tank (tsar mangal etc.)

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.)

formation of troops / ships etc.

diversion (of gasoline 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.)

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

transmit (Tx) and receive (Rx) (levels, protocols, etc.)

servicing personnel / maintenance personnel

main tank/ main fuel tank

non-unit-related personnel

personnel service unit

basic tank battle unit

crack tank unit

tank attacker unit

all-tank unit

battery coolant unit / battery-coolant unit (BCU)

gear reduction unit / gear-reduction unit

position and navigation unit / position navigation unit (PNU)

pinch (a unit) out of a large unit