United States Coast Guardsman assigned to Port Security Unit 308 performs a High Value Asset escort drill during Exercise Bold Alligator 2012, the largest amphibious exercise in the past 10 years. The exercise represents the Navy and Marine Corps' revitalization of the full range of amphibious operations. This exercise will take place Jan. 30 - Feb. 12, 2012, afloat and ashore in and around Virginia and North Carolina.