train all ranks one rank up

all for one and one for all / one for all and all for one

ranks (the) / rank and file

land train (overland train)

one-star rank

pull one's rank

retain one's rank

one-way UAV / one-way attack UAV (OWA UAV)

Select one or all motors

all-wheel drive / all wheel drive

junior ranks

officer commissioned from the ranks

reduce to the ranks

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

non-commissioned ranks

depletion of ranks

be commissioned from the ranks

break ranks

close ranks