52d, 276th and 317th Engineer Battalions

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The motto of the 52d Engineer Battalion is NOUS SERVONS (We Serve).
Source: http://www.tioh.hqda.pentagon.mil/Eng/52EngineerBattalion.htm

The motto of the 276th Engineer Battalion, Virginia Army National Guard is LIBERTY OR DEATH.
Source: http://www.tioh.hqda.pentagon.mil/Eng/276EngineerBattalion.htm

The motto of the 317th Engineer Battalion is BY INDUSTRY AND HONOR.
Source: http://www.tioh.hqda.pentagon.mil/Eng/317EngineerBattalion.htm