US Navy BUD/S training, Phase One, Week One, Day One, Coronado, CA; BUD/S Class 251 begins with 145 students. NO MODEL RELEASES....Copyright Hans Halberstadt; ..COPYRIGHT HANS HALBERSTADT..Do not reproduce without written consent. No 3rd party editorial or commercial use without SPECIFIC WRITTEN consent from Military Stock Photography. ....Contact: Hans Halberstadt, dba Military Stock Photography, 240 South 13th Street, San Jose, California 95112 USA (408) 293-8131, email hans@militaryphoto.com..