Capt. Keith Overstreet (center right), new commanding officer of Coast Guard Air Station Borinquen, salutes Rear Adm. Scott Buschman (center left), Coast Guard Seventh District commander, during the unit change of command ceremony July 8, 2016. AGUADILLA, Puerto Rico — Coast Guard Air Station Borinquen welcomed a new commanding officer Friday and bid farewell to the outgoing commanding officer during...