MCRP 12-10B.1, page 144

Perform traffic control on designated refugee routes Escort refugee columns Direct or divert refugee columns to secondary roads and through areas not used by military elements Perform police duties such as traffic control or security at refugee assembly areas, collecting points, and centers or camps Enforce prescribed restrictive measures such as curfews, identification and pass systems, restricted area restraining lines, no-passage lines, checkpoints and roadblocks, travel permits or manifests, prohibition on the use of vehicles, priorities of movement, and limits on personal belongings. MCWP 3-35 .3 6-4