Parker and Dallas, sisters and Combat Center patrons, win a new, signed BMX bike during the X-Games Action Sports Show at the Marine Corps Exchange parking lot aboard the Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., Sept. 8, 2018. The X-Games provided a social recreational event in honor of the continuous service and sacrifice military personnel and family members make for the country. (U.S. Marine Corps photo by Pfc. Robin Lewis) - Parker and Dallas, sisters and Combat Center patrons, win a new, signed BMX bike during the X-Games Action Sports Show at the Marine Corps Exchange parking lot aboard the Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., Sept. 8, 2018. The X-Games provided a social recreational event in honor of the continuous service and sacrifice military personnel and family members make for the country. (U.S. Marine Corps photo by Pfc. Robin Lewis)