PANAMA PIT U.S. Marine Corps engineers dig a drainage pit during Continuing Promise at an engineering site in Silico Creek, Panama, Oct. 1, 2010. Continuing Promise is a humanitarian and civic assistance mission to provide medical, dental, veterinary and engineering assistance to eight different nations. The Marines are assigned to the 8th Engineer Support Battalion. SHARE: Download: Full Size (0.09 MB) Credit: VIRIN: 322387-V-YOK01-043.jpg Photo Gallery