Declan Gilreath, 3, waits for his father, 1st Lt. Joshua Gilreath, to step off a C-130 Hercules aircraft at the Kentucky Air National Guard Base in Louisville, Ky., July 4, 2105. Gilreath, a C-130 pilot, was one of 39 Kentucky Airmen who returned to the United States following a deployment to the Persian Gulf region, where they've been supporting Operation Freedom's Sentinel since February. (U.S. Air National Guard photo by Maj. Dale Greer)

- Image ID: KYJXE1
Declan Gilreath, 3, waits for his father, 1st Lt. Joshua Gilreath, to step off a C-130 Hercules aircraft at the Kentucky Air National Guard Base in Louisville, Ky., July 4, 2105. Gilreath, a C-130 pilot, was one of 39 Kentucky Airmen who returned to the United States following a deployment to the Persian Gulf region, where they've been supporting Operation Freedom's Sentinel since February. (U.S. Air National Guard photo by Maj. Dale Greer)
RP Photo / Alamy Stock Photo
Image ID: KYJXE1