Free Flying Marine Corps reservists perform free-fall jumps at the John C. Stennis Space Center in Hancock County, Miss., Dec. 14, 2017, to maintain tactical proficiency. Marine Corps photo by Lance Cpl. Tessa D. Watts SHARE: Download: Full Size (1.35 MB) Credit: Lance Cpl. Tessa Watts VIRIN: 171215-M-XG560-325C.JPG Photo Gallery