Using a backhoe a member of the 355th AEG (Air Expeditionary Group) Civil Engineering Squadron, digs a trench for underground piping to drain waste water from newly installed shower trailers at Masirah Air Base, Oman, in support of Operation ENDURING FREEDOM. Three trailers with 20 showers each were installed. Operation ENDURING FREEDOM is in support of the Global War on Terrorism (GWOT), fighting terrorism abroad, after the terrorist attacks on September 11, 2001 at the New York World Trade Center and the Pentagon