advance without serious check

absent without leave / absence without official leave (AWOL)

accident serious injury

serious range

hold advance / hold (up) advance

check the advance (attack)

spot check (spot- check)

involuntary absence without leave

leave without pay

without annexation or indemnity

without degrading effectiveness

mortar firing without bipod (with hand support)

absence without leave (AWL)

absent without leave permission

sector without fire

firing without command

without cadence

control without occupation

without its (own) means of initiation

advance force

advance planning funds (APF)

advance warning

advance, flank, and rear guard

advance-warning satellite

axis of advance

fend off enemy's a advance

limit of advance (line)

main line of advance

maintain the momentum (of the advance)

route of advance

speed of advance

United Nations Advance Mission in Cambodia (UNAMIC)

United Nations Advance Mission in the Sudan (UNAMIS)