UNIT:
Attack[342]
Fire[287]

Units not to be broken up [378]

Unload [180]; [187]

Unload, Krag rifle [703]

Unnecessary hardship to be avoided [380]

Unsling equipment [648]

Unsling packs, old equipment [706]

Urinal tubs [1244]

Use of cover [195]–199

Use of ground [420]; [421]