Landing Prep Air Force Capt. Whit Gremillion, left, and Air Force 1st Lt. Zach Gilbert prepare to land a C-17 Globemaster III aircraft at St. Croix, U.S. Virgin Islands, Sept. 23, 2017, while supporting Hurricane Maria relief efforts. Gremillion and Gilbert are pilots assigned to the 21st Airlift Squadron. Air Force photo by Master Sgt. Joseph Swafford SHARE: Download: Full Size (1.7 MB) Tags: humanitarian relief, hurricane maria, air force, northcom, northern command, airmen Credit: Master Sgt. Joseph Swafford VIRIN: 170923-F-QN515-0056A.JPG Photo Gallery