31st Engineer BN

The 31st Engineer Battalion was originally constituted as the 31st Engineer Company on 1 July 1940 and activated at Fort Belvoir, Virginia. The unit was reorganized, expanded, and redesignated on 15 December 1941 as the 31st Engineer Combat Battalion. On 29 April 1942, the unit was reorganized and redesignated as the 1st Battalion, 31st Engineers (Combat), and then again on 1 August 1942 as the 31st Engineer Combat Regiment. http://www.wood.army.mil/usaes/31stENBN_History.html

The 31st Engineer Battalion is made up of four companies

Alpha company Knights

Bravo Company Bulldogs

Charlie Company Cobras

Delta Company Dragons