Marine Reservists signal for extraction to a CH-53E Super Stallion helicopters during an air assault course as part of the final battalion exercise of Integrated Training Exercise 4-17 at Camp Wilson, Marine Air Ground Combat Center, Twentynine Palms, Calif., June 21, 2017. The Marines are assigned to 4th Air Naval Gun Liaison Company, Force Headquarters Group, Marine Forces Reserve. Marine Corps photo by Lance Cpl. Stanley Moy