U.S. Marine Corps engineers dig a drainage pit at an engineering site.
U.S. Marine Corps engineers with 8th Engineer Support Battalion and attached to the logistics combat element of Special-Purpose Marine Air-Ground Task Force Continuing Promise 2010 dig a drainage pit at an engineering site in Silico Creek, Panama, on Oct. 1, 2010. Continuing Promise is a humanitarian and civic assistance mission with the goal of providing medical, dental, veterinary and engineering assistance to eight different nations.