U.S. Navy Cmdr. William Cavill examines a child before her surgery aboard Military Sealift Command hospital ship USNS Comfort during Continuing Promise 2015 in Roseau, Dominica, Aug. 3, 2015. The medical care is part of Continuing Promise, a civil-military effort that includes humanitarian-civil assistance, subject matter expert exchanges, medical, dental, veterinary and engineering support. Cavill is an anesthesiologist assigned to Naval Hospital Pensacola Fla.