SEATTLE - Petty Officer 3rd Class Daviel O'Neill tutors Seaman Brent Erwin on proper use and maintenance of a 240B machine gun, during Coast Guard Port Security Unit 313 training. As part of the training, the crewmembers spent four days living in tents on the Naval Magazine Indian Island and were required to fire weapons using 7.62mm and .50 caliber blanks. (Official Coast Guard photo by Petty Officer David R. Marin)
Subscribe
