Home : Units : 78th Signal Battalion : HHD

Headquarters and Headquarters Detachment


Provide network operation services for the USARJ and I Corps (Fwd) DODIN-A as part of USARPAC’s Theater Information Grid.  Provide Mission Command and administrative services for assigned and attached personnel.​


A diverse and inclusive TEAM, providing proficient and reliable customer based continuity to the entire organization.

Mission Essential Task List (METL)

  • Conduct Detachment Headquarters Operations
  • Provide Unit Supply Support
  • Conduct Expeditionary Deployment Operations


US Postal Mail
Cdr, 78th Sig Bn
Unit 45012
APO AP 96343-5012

Commercial Mail
Zainichi Beigun Camp Zama
Cdr, 78th Sig Bn, Unit 45012
Bldg. 123, Camp Zama
Zama-shi, Kanagawa-ken, 〒252-0000 Japan

DSN: 315-263-3893
Within Japan: 046-407-3893
From the U.S.: 011-81-46-407-3893


The unit was constituted August 26, 1942, in the Army of the United States as the 318th Coast Artillery Barrage Balloon Battalion and on December 10, 1942, the unit activated at Camp Tyson, Tennessee.

On August 1, 1943, it was reorganized and redesignated as the 318th Antiaircraft Balloon Battalion, Low Altitude. It was again reorganized and redesignated as the 318th Antiaircraft Balloon Battalion, Very Low Altitude on September 25, 1943.

On April 17, 1944, the unit was converted, reorganized and redesignated as the 78th Signal Light Construction Battalion and again reorganized and redesignated as the 78th Signal Heavy Construction Battalion on September 1, 1944.

The unit inactivated in Japan August 31, 1946.

On July 20, 1966, it was activated at Fort Huachuca, Arizona, and redesignated as the 78th Signal Battalion and allotted to the Regular Army.

The unit again inactivated January 31, 1971, at Fort Lewis, Washington.

On October 16, 1992, Headquarters and Headquarters Company, 78th Signal Battalion, was redesignated Headquarters and Headquarters Detachment, 78th Signal Battalion, and activated at Camp Zama, Japan.


World War II - Luzon


Philippine Presidential Unit Citation – October 17, 1944 ~ July 4, 1945
Army Superior Unit Award – 2008-2009
Army Superior Unit Award – 2011