Fire Line A Marine practices digging a fire line near the Sierra National Forest, Calif., Sep. 21, 2020. Marines and sailors assisted the U.S. Forest Service with fires in California. SHARE: Download: Full Size (0.44 MB) Tags: Humanitarian aid, Marine Corps Credit: Marine Corps Warrant Officer Eric LaClair VIRIN: 200921-M-KF421-1089C.JPG Photo Gallery