reduce to the ranks

eliminate / flatter / reduce a bulge

reduce

suppress, obscure, secure, reduce, and assault (SOSRA)

reduce reaction time

reduce heat load on the weapon

reduce emission

reduce hazard

reduce noise

reduce a pocket

reduce defenses

reduce a salient

reduce obstacles

reduce an obstacle

reduce to shambles

junior ranks

officer commissioned from the ranks

ranks (the) / rank and file

revert to the ranks

rise from the ranks

purge the party's ranks

fight in the ranks (of a regiment etc.)

in the first ranks

in the ranks

in the ranks of the army

position in the ranks

remain in the ranks

service in the ranks

close the ranks

shattered ranks

commissioned ranks

enlisted ranks

non-commissioned officers and enlisted ranks