Red Zone Marines set up a radar in a field during Pacific Iron at Andersen Air Force Base, Guam, July 25, 2021. The system helps Marines provide real-time airspace surveillance, command and control while coordinating air and missile defense actions during the exercise. SHARE: Download: Full Size (12.22 MB) Tags: Marine Corps, Pacific Iron Credit: Marine Corps Lance Cpl. Tyler Harmon VIRIN: 210725-M-JO217-1201.JPG Photo Gallery