Änderungen
→U
;[[USA]] : '''U'''nited '''S'''tates of '''A'''merica
;[[United States Air Force|USAF]] : '''U'''inted '''S'''tates '''A'''ir '''F'''orce
;[[USS]] : '''U'''nited '''S'''tar '''S'''hip oder '''U'''nited '''S'''pace '''S'''hip
==V==
