150810-N-IK337-013 PACIFIC OCEAN (Aug. 10, 2015) - Aircrew Survival Equipmentman 2nd Class Ivan Balanza, from Oxnard, Calif., performs maintenance on an oxygen mask regulator. Sailors from the John C. Stennis Strike Group are undergoing Composite Training Unit Exercise and Joint Task Force Exercise (COMPTUEX/JTFEX), the final step in certifying to deploy. ( Navy photo by Mass Communication Specialist 3rd Class Christopher Frost / Released)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., 74, cvn, john, stennis, uss