Members of a fire support team prepare to direct artillery fire while participating in a training event during Integrated Training Exercise 2-15 at the Marine Corps Air Ground Combat Center in Twentynine Palms. Calif., Jan. 27, 2015. Members of a fire support team prepare to direct artillery fire while participating in a training event during Integrated Training Exercise 2-15 at the Marine Corps Air Ground Combat Center in Twentynine Palms. Calif., Jan. 27, 2015. SHARE: Download: Full Size (1 MB) Tags: Photo Essays Credit: VIRIN: 829694-R-LEJ84-589.jpg Photo Gallery