SAN JOSE, Guatemala (Aug. 25, 2010) Sailors assigned to the Fuerza Especial Naval (FEN) of the Guatemalan Navy pilot maritime patrol boats in a diamond formation to demonstrate what they've learned during two weeks of training with Maritime Civil Affairs and Security Training (MCAST). The MCAST Guatemala small boat operations mobile training team trained 40 FEN sailors how to perform tactical formations and protect high value assets at sea. The training is part of military-to-military training efforts by the U.S. and nations to help police and maintain international waters. (U.S. Navy photo by Mass Communication Specialist 1st Class Peter D. Lawlor)