U.S. Marines with 3rd Marine Littoral Regiment, 3rd Marine Division, and U.S. Airmen with 40th Helicopter Squadron from Malmstrom Air Force Base Great Falls, Montana, control aviation fires during Exercise Garnet Rattler at Gowen Field Air National Guard Base, Idaho, May 4, 2022. Garnet Rattler is a joint training exercise between elements of the 3rd Littoral Anti-Air Battalion, 3rd MLR, U.S. Army and U.S. Air Force to conduct simulated sea control operations and joint time on target strikes. - U.S. Marines with 3rd Marine Littoral Regiment, 3rd Marine Division, and U.S. Airmen with 40th Helicopter Squadron from Malmstrom Air Force Base Great Falls, Montana, control aviation fires during Exercise Garnet Rattler at Gowen Field Air National Guard Base, Idaho, May 4, 2022. Garnet Rattler is a joint training exercise between elements of the 3rd Littoral Anti-Air Battalion, 3rd MLR, U.S. Army and U.S. Air Force to conduct simulated sea control operations and joint time on target strikes.