Mezue ahịrịokwu na-esonụ: Na mgbakwunye na nkwado ha na nso nso a nke ọrụ nchekwa ụlọ na mba niile, PSUs ka ebuputara na Gulf Persian n'oge Operation Desert Storm na 1990. Ha jere ozi na Haiti n'oge Operation Uphold Democracy na 1994 na nso nso a zaghachiri na Port-au-Prince, Haiti ozugbo ala ọma jijiji nke 2010 gasịrị. N'ọnwa Disemba 2000, PSU 309 si Port Clinton, Ohio ka e zigara na Middle East iji nye nchebe dị mkpa maka akụ ndị agha mmiri na-esote
ịwakpo USS "Cole".