Joint Guam DoD team exercises contingency skills Published June 19, 2014 By Airman 1st Class Amanda Morris 36th Wing Public Affairs ANDERSEN AIR FORCE BASE, Guam -- U.S. Army Reserve Soliders from the 797th Engineer Company (Vertical) conducted contingency skills training June 11 on Andersen South, Guam. The training consisted of classroom instruction, demonstrations and scenario-based training conducted alongside members of the U.S. Navy Helicopter Sea Combat Squadron 25 based at Andersen Air Force Base, Guam.