Constituted 1 July 1916 in the Regular Army as the 5th Telegraph Battalion, Signal Corps

Activated 12 July 1917 at Monmouth Park, New Jersey

Redesignated 1 October 1917 as the 55th Telegraph Battalion

Reorganized and redesignated 18 March 1921 as the 51st Signal Battalion

Reorganized and redesignated 1 March 1945 as the 51st Signal Operation Battalion

Reorganized and redesignated 8 September 1950 as the 51st Signal Battalion, Corps

Reorganized and redesignated 13 February 1955 as the 51st Signal Battalion

CAMPAIGN PARTICIPATION CREDIT

                                                        World War I
                                                        Lorraine 1918
                                                        St. Mihiel
                                                        Meuse-Argonne
                                                       
                                                        World War II
                                                        Sicily (with arrowhead)
                                                        Naples-Foggia
                                                        Rome-Arno
                                                        North Apennines
                                                        Po Valley

                                                        Korean War
                                                        UN Defensive
                                                        UN Offensive
                                                        CCF Intervention
                                                        First UN Counteroffensive
                                                        CCF Spring Offensive
                                                        UN Summer-Fall Offensive
                                                        Second Korean Winter       
                                                        Korea, Summer-Fall 1952
                                                        Third Korean Winter 
                                                        Korea, Summer 1953

                                                        Southwest Asia
                                                        Defense of Saudi Arabia
                                                        Liberation and Defense of Kuwait
                                                        Cease-Fire

                                                        War on Terrorism
                                                              Iraq:
                                                         Iraqi Surge