Signal Corps

Distinctive Unit Insignia	Unit Designation Motto	First Assigned to	Unit History
	125th Signal Battalion Leokani Okauwila “Voice of Lightning”	1 October 1941	Constituted as the 25th Signal Company assigned to the 25th Infantry Division and activated at Schofield Barracks on 1 October 1941. The company received its baptism of fire on 7 December 1941 during the Japanese attack on Hawaii. The 25th Signal Company went on to participate in the Guadalcanal, Northern Solomon’s and Luzon campaigns receiving a Philippine Presidential Units Citation for its operations during the Luzon campaign. After occupation duty in Japan the 25th Signal Company responded with the 25th Division to the North Korean invasion of South Korea in June 1950. The 25th Signal Company participated in all ten campaigns of the Korean War receiving two Meritorious Unit Commendations and two Republic of Korea Presidential Unit Citations. Returning to Schofield Barracks in 1954 the 25th Signal Company was redesignated as Headquarters and Headquarters Company, 125th Signal Battalion on 1 February 1957. The organic elements of the battalion were concurrently constituted and activated on 1 February 1957. Company B accompanied the 3rd Brigade to the Central Highlands in December 1965 and one platoon of Company B accompanied the 2nd Brigade to Cu Chi in January 1966. The remainder of the battalion arrived in Vietnam on 11 March 1966. The battalion was based at Cu Chi from which it provided a division-wide area communications system. Battalion elements were also routinely placed in direct support of divisional units conducting combat operations. The 125th Signal Battalion participated in twelve Vietnam campaigns receiving two Meritorious Unit Commendations, and two awards of the Republic of Vietnam Cross of Gallantry. Company B received a Valorous Unit Award in support of the 3rd Brigade in Quang Tri Province for the period 22 April 1967 to 31 July 1967. The 2nd Forward Signal Center of Company B received a Valorous Unit Award for signal support of the 2nd Brigade in the Cu Chi District from January to April 1966. The 125th Signal Battalion departed Vietnam on 8 December 1970 for Schofield Barracks. All elements of the battalion have served tours of duty in either Iraq or Afghanistan. Company B served a thirteen month tour of duty in Iraq from January 2004-February 2005 providing signal communications support to the 2nd Brigade Combat Team. The rest of the battalion served a one year tour of duty in Afghanistan April 2004-2005. The battalion headquarters and Company C furnished signal communications support for the headquarters of the Joint/Combined Task Force 76 at Bagram Air Field while Company A supported the 3rd Brigade Combat Team at Kandahar Airfield. Detachments of both companies were located at forward operating bases to provide communications connectivity between combat units and headquarters. As part of the modular conversion of the 25th Infantry Division, the 125th Signal Battalion was inactivated on 15 November 2005 after 64 continuous years of service with the Tropic Lightning.
Distinctive Unit Insignia	Unit Designation Motto	First Assigned to	Unit History
None authorized	532nd Signal Company	10 February 1971	Constituted and activated in England as the 3251st Signal Service Company on 27 April 1944, the company participated in the Normandy, Northern France, Rhineland, Ardennes-Alsace and Central Europe campaigns receiving a Meritorious Unit Commendation. In 1948 while serving in Austria the company was redesignated as the 532nd Signal Service Company. During the Korean War the 532nd served as a signal construction company in six Korean campaigns receiving a Meritorious Unit Commendation. The company then went through a series of activations and inactivations serving in the U.S., France and Germany from 1952-1967. The 532nd Signal Company initially arrived in Vietnam on 1 October 1968 and served as an automatic secure voice company at Tan Son Nhut. It was inactivated in Vietnam on 1 March 1970. When the 25th Division departed Vietnam the 2nd Brigade remained and was transferred to Long Binh where it operated under II Field Force. On 10 February 1971 the 532nd Signal Company was reactivated and reorganized as a combat support signal company and assigned to the 2nd Brigade with station at Long Binh. The company was inactivated in Vietnam on 25 April 1971 upon the departure of the 2nd Brigade. The 532nd was reactivated in 1973 and served in Germany and the Netherlands until inactivated on 15 September 1994.
Distinctive Unit Insignia	Unit Designation Motto	First Assigned to	Unit History
None authorized	176th Signal Company	16 January 2002	Constituted 13 January 1941 in the Regular Army as the 2nd Signal Repair Company. The company was activated on 10 February 1941 at Fort Ord, California. On 7 August 1941 the company was redesignated as the 176th Signal Repair Company. The 176th received WWII campaign participation credit for the New Guinea campaign and was inactivated on Okinawa on 30 May 1947. Reorganized and redesignated as the 176th Signal Company it was active in Germany from 1 April 1951 to 1 October 1961. On 25 March 1963 the company was reactivated and served in the continental United States until inactivated on 15 June 1991 at Fort Lewis. It was again active at Fort Lewis from 16 May 1993 to 15 June 1999. The composition of what was formally known as the Interim Brigade Combat Team now called Stryker Brigade calls for a separate signal company assigned to the brigade. Consequently the 176th Signal Company was reactivated at Fort Lewis on 16 January 2002 and assigned to the 1st Brigade, 25th Infantry Division. The 176th served with the 1st Brigade in and around the city of Mosul, Iraq beginning in October 2004 in support of combat operations and stability initiatives. The company returned to Fort Lewis with the 1st Brigade in September 2005. On 1 June 2006 the 1st Brigade Combat Team including the 176th Signal Company was inactivated; with personnel and equipment transferred to the 2nd Cavalry Regiment (Stryker). The 1st Brigade Combat Team including the 176th Signal Company was reactivated on 16 December 2006 with station at Fort Wainwright, Alaska. Read more about them.
Distinctive Unit Insignia	Unit Designation Motto	First Assigned to	Unit History
None authorized	556th Signal Company	16 October 2005	The 556th Signal Company was constituted on 3 February 1944 in the Army of the United States as the 556th Signal Depot Company and activated on 1 April 1944 at Camp Polk, Louisiana. During WWII the 556th served in Hawaii and on Saipan Island returning to Hawaii in 1946 where it was inactivated on 31 October 1946. For its WWII service the company was awarded a Meritorious Unit Commendation. Redesignated as the 556th Signal Radio Relay Company it was reactivated in Korea on 10 November 1951 and assigned to the Eighth Army. The company served in four campaigns of the Korean War receiving two Meritorious Unit Commendations before being inactivated on 12 March 1953 in Korea. Redesignated as the 556th Signal Company, it was reactivated in Korea from 15 March 1960 to 15 December 1962 as a radio relay company assigned to the Eighth Army. On 1 March 1970 the 556th Signal Company (Support) was reactivated in Vietnam. Stationed at Dalat, the company was assigned to the U.S. Army Strategic Communications Command and participated in five Vietnam campaigns before being inactivated on 26 January 1972 in Vietnam. The 556th later served on active duty at Fort Huachuca, Arizona from 16 April 1993 to 15 September 1998 where it received an Army Superior Unit Award. On 16 October 2005 the 556th Signal Company was officially reactivated and assigned to the 2nd Brigade Combat Team (Stryker), 25th Infantry Division at Schofield Barracks, Hawaii.