Footprints created by military children at the Combat Center Armed Services YMCA are displayed during the 6th Annual Veteran’s Expo at the Riverside County Fairgrounds in Indio, Calif., April 2, 2016. The children traced their active duty parent’s boot and used their feet to paint their prints in the center. (Official Marine Corps photo by Lance Cpl. Levi Schultz/Released) - Footprints created by military children at the Combat Center Armed Services YMCA are displayed during the 6th Annual Veteran’s Expo at the Riverside County Fairgrounds in Indio, Calif., April 2, 2016. The children traced their active duty parent’s boot and used their feet to paint their prints in the center. (Official Marine Corps photo by Lance Cpl. Levi Schultz/Released)