Rear Adm. David R. Callahan, the Coast Guard Eighth
Rear Adm. David R. Callahan, the Coast Guard Eighth District commander, speaks to the attendees of the Offshore Operators Committee, June 3, 2015, at the Anadarko Petroleum Corporation in Houston.
Rear Adm. David R. Callahan, the Coast Guard Eighth
Rear Adm. David R. Callahan, the Coast Guard Eighth District commander, holds a promotion ceremony for Coast Guard members at the Battleship Texas Historic Site, June 1, 2015, in Houston.
Rear Adm. David R. Callahan, the Coast Guard Eighth
Rear Adm. David R. Callahan, the Coast Guard Eighth District commander, takes questions from attendees, after guest-speaking at the Offshore Operators Committee, June 3, 2015, at the Anadarko Petroleum Corporat... More
Rear Adm. David R. Callahan, the Coast Guard Eighth
Rear Adm. David R. Callahan, the Coast Guard Eighth District commander, poses with newly-promoted Coast Guardsmen and their families during a promotion ceremony held at the Battleship Texas Historic Site, June ... More