Photo by Bill Mesta | U.S. Navy | 02.23.2017
170223-N-OH262-625 ATLANTIC OCEAN (Feb. 23, 2017) Third Assistant Engineer Sam O'Donnell pulls Engine Utility Billy Chiguina through the water during a rescue-at-sea exercise. O'Donnell and Chiguina are both surface rescue swimmers and civil service mariners assigned to the hospital ship USNS Comfort (T-AH 20). Comfort's underway period was part of the 2017 Comfort Exercise (COMFEX). The......