15th Engineer Battalion ( United States ) The 15th Engineer Battalion is a Construction Effects battalion of the United States Army . It is currently a subordinate unit of 18th Engineer Brigade and is headquartered at Conn Barracks in Schweinfurt , Germany . Soldiers of the 15th Engineer Battalion provide various supportive duties to other Army units , including construction , engineering , and mechanical work on other Army projects . Organization . The 15th is composed of four companies and one survey and design detachment ( 534th Bushmasters ) . The Headquarters and Headquarters Company ( HHC ) contains the command and staff sections , providing planning and coordination for unit missions . The Forward Support Company ( FSC ) provides logistical and maintenance support to the battalion . The 500th Engineer Company performs horizontal construction , and the 902nd Engineer Company is the Vertical Construction company . History . The 15th Construction Engineer Battalion has a proud and distinguished lineage . From its auspicious beginnings in the trenches and mud of World War I battlefields of France to the steaming hot jungles of Vietnam , the 15th Engineers maintained their " Drive On ! " spirit . World Wars . Constituted on 3 June 1916 as the Fifth Reserve Engineers ( Regiment ) at Oakmont , Pennsylvania . On 8 August 1917 , the Regiment was redesignated as the 15th Engineers ( Regiment ) ( Railway ) . During World War I , the Regiment received battle streamers for the St . Mihiel and Meuse - Argonne campaigns . Deployed to France in July 1917 , the 15th planned and constructed railroads , and helped build barracks , hospitals , and supply depots during the war . The Regiment was demobilized at Sherman , Ohio on 15 May 1919 . The 15th Engineers were reconstituted and placed on the inactive rolls on 25 August 1921 , followed by assignment to the 9th Infantry Division on 24 March 1923 . The unit was redesignated as the 15th Engineer Battalion in July 1940 and activated at Fort Bragg on 1 August . During World War II , the 15th first saw action in North Africa in 1943 , fighting with the 9th Infantry Division during the Algerian - French Morocco and Tunisian Campaigns . Next , the battalion participated in the invasion of Sicily , hitting the beach at Palermo in August 1943 . With Sicily secured , the 9th Infantry Division sailed to England and prepared for the Normandy invasion . Landing at Utah Beach on 10 June 1944 , the Battalion drove on to Cherbourg and later took part in the St . Lo breakthrough . Fighting its way across France earned the Battalion a battle streamer for its role in the Northern France Campaign . In September , the Battalion earned the Presidential Unit Citation for its actions on the Siegfried Line . In December 1944 , the Battalion helped defeat Hitler ' s forces in the Battle of the Bulge to earn another battle streamer . In March 1945 , B company earned the Presidential Unit Citation for its part in seizing the Ludendorf Bridge , crossing the Rhine , and extending the Remagen Bridgehead . After the Rhineland Campaign , the Division advanced eastward , fighting through the remnants of Hitler ' s army to earn a battle streamer for the Central European Campaign . The war ' s end brought about the 15th ' s inactivation in November 1946 . Korea . Although reactivated on 12 July 1948 at Fort Dix , the 15th remained stateside during the Korean War , serving first at Fort Dix , New Jersey , and later at Fort Carson , Colorado , from 1954 , until inactivation in January 1962 . Vietnam . The Battalion was reactivated at Fort Riley , Kansas , on 1 February 1966 and later joined American fighting forces in the jungles of Vietnam . The Battalion twice earned the Vietnamese Cross of Gallantry with Palm for its outstanding military service and also received a Civil Action Honor Medal , First Class , for numerous civic actions . Alpha and Charlie Companies were recognized for their effective support of the 1st Brigade , 9th Infantry Division in 1968 : Alpha Company received the Presidential Unit Citation for its valiant actions in the Dinh - Tuong Province and Charlie Company earned the Vietnamese Cross of Gallantry for its heroic support of highly effective search and destroy operation in the Long - An Province . The Battalion rotated to Hawaii in August 1969 , where it inactivated . Post Vietnam . The 15th Combat Engineer Battalion was reactivated at Fort Lewis , and stationed on North Fort , in June 1972 . In 1983 , Delta Company was reorganized as a General Support Heavy Engineer Company , and the Bridge Company became Echo Company . On 1 April 1984 , Echo Company reorganized to form to form the 73rd Engineer Company ( Assault Ribbon Bridge ) , I Corps , and attached them to the 15th Combat Engineer Battalion . In 1988 Alpha Company was called to support the fire fighting efforts in Yellowstone National Park Wy . After 3 days of training they were deployed in August 1988 at base camp Madison Junction until the fire was out in September 1988 by the snow . The unit soldiers were awarded , 2 months later , the Humanitarian Service Medal for their efforts . In January 1990 , the Army ordered the 9th Infantry Division to inactivate . Charlie Company cased its guidon on 1 October 1990 . Delta Company inactivated on 14 February 1991 , when it reorganized to form the nucleus of the 102nd Engineer Company , 199th Infantry Brigade ( Motorized ) . Soldiers and equipment from across the battalion were used to fill the new company . The 73rd Engineer Company , after its three - month combat tour in Operation Desert Storm , returned to I Corps control and was attached to 3rd Battalion , 2nd Air Defense Artillery Regiment , on 1 July 1991 . The remaining companies and the battalion Headquarters inactivated on 1 August 1991 . Global War on Terrorism . The battalion was reactivated at Conn Barracks on 16 July 2008 as part of the 18th Engineer Brigade , V Corps and provides engineering support to US Army units in Europe . In July 2009 , the battalion deployed task - organized elements to conduct construction missions in Bulgaria and Israel . Recent construction missions include a platoon - sized deployment to Romania and the 500th EN CO improving roads on multiple training areas in USAREUR . In late October 2010 , the 15th EN BN ( 292nd EN DET / OHARNG ) conducted a first in decades . It deployed forward to a combat zone . The battalion executed extensive theater construction support missions in the Kuwait AOR and recon assets to the Kingdom of Jordan . As the Theater Reserve Engineer Force , the 15th was charged with providing engineering support across the entire CENTCOM AOR . This placed pressure on the battalion . As the " Drive On " spirit was displayed , Commanders and soldiers alike excelled at forward deploying elements into Afghanistan to provide combat commander construction support . The 15th redeployed to USAREUR in late October 2011 to resume its duties supporting USAREUR and NATO in the training of international forces . Honors . Campaign Participation Credit . World War I : St . Mihiel ; Meuse - Argonne World War II : Algeria - French Morocco ; Tunisia ; Sicily ; Normandy ; Northern France ; Rhineland ; Ardennes - Alsace ; Central Europe Vietnam : Counteroffensive , Phase II ; Counteroffensive , Phase III ; Tet Counteroffensive ; Counteroffensive , Phase IV ; Counteroffensive , Phase V ; Counteroffensive , Phase VI ; Tet 69 / Counteroffensive ; Summer - Fall 1969 ; Decorations . 902d Engineer Company Honors Campaign Participation Credit World War II : Normandy , Northern France , Rhineland Decorations Meritorious Unit Commendation ( Army ) , Streamer embroidered EUROPEAN THEATER