![Senior Master Sgt. Oz Castro, 336th Aerial Refueling Squadron boom operator, takes a selfie with the rest of the aircrew before his final flight, March 28, 2018, March Air Reserve Base, CA. Senior Master Sgt. Oz Castro, 336th Aerial Refueling Squadron boom operator, takes a selfie with the rest of the aircrew before his final flight, March 28, 2018, March Air Reserve Base, CA.](https://c8.alamy.com/comp/MCBNCT/senior-master-sgt-oz-castro-336th-aerial-refueling-squadron-boom-operator-takes-a-selfie-with-the-rest-of-the-aircrew-before-his-final-flight-march-28-2018-march-air-reserve-base-ca-the-336th-ars-is-responsible-for-providing-essential-mission-extending-capabilities-through-their-refueling-services-MCBNCT.jpg)
Senior Master Sgt. Oz Castro, 336th Aerial Refueling Squadron boom operator, takes a selfie with the rest of the aircrew before his final flight, March 28, 2018, March Air Reserve Base, CA.
100th ARW, 31st FW integrate with US Assets over the Black Sea > Royal Air Force Mildenhall > RAF Mildenhall News
![U.S. Air Force Tech. Sgt. Kenneth Cook, 6th Air Refueling Squadron boom operator, loads cargo from a K-loader onto a KC-10 Extender July 9, 2017 at Travis Air Force Base, Calif., in U.S. Air Force Tech. Sgt. Kenneth Cook, 6th Air Refueling Squadron boom operator, loads cargo from a K-loader onto a KC-10 Extender July 9, 2017 at Travis Air Force Base, Calif., in](https://c8.alamy.com/comp/MRYCE8/us-air-force-tech-sgt-kenneth-cook-6th-air-refueling-squadron-boom-operator-loads-cargo-from-a-k-loader-onto-a-kc-10-extender-july-9-2017-at-travis-air-force-base-calif-in-preparation-for-travel-to-joint-base-pearl-harbor-hickam-hawaii-a-combined-crew-from-the-6th-and-9th-ars-at-travis-air-force-base-supported-exercise-talisman-saber-2017-by-executing-exercise-ultimate-reach-a-strategic-refueling-and-airdrop-mission-in-which-three-kc-10s-refueled-five-c-17-globemaster-iiis-carrying-us-army-australian-and-canadian-paratroopers-prior-to-an-airdrop-ts-17-is-a-biennial-exercise-in-MRYCE8.jpg)