K-9 teams train for Super Bowl 50 security

K-9 teams train for Super Bowl 50 security
Petty Officer 1st Class Christopher Hartman, briefs participants in the helicopter acclimation training at Coast Guard Air Station San Francisco, Wednesday, Dec. 2, 2015. (U.S. Coast Guard photo by Petty Officer 3rd Class Loumania Stewart) ALAMEDA, Calif. — Federal, state and local K-9 teams conducted helicopter training at Coast Guard Air Station San Francisco, Wednesday, in preparation for Super...