Students from Basic Underwater Demolition/SEAL (BUD/S) Class 281 participate in Rock Portage training at Coronado Island, Calif., Feb. 23, 2010.
Rock Portage is one of several training evolutions conducted as part of the first phase of BUD/S training. (DoD photo by Mass Communication Specialist 2nd Class Kyle D. Gahlau, U.S. Navy). Original public domain image from Flickr