Machine Gun Training Navy Petty Officer 3rd Class Ashley Zappier fires an M240B machine gun aboard the USS Green Bay in the Gulf of Thailand, Feb. 17, 2019, during Cobra Gold, a multinational exercise focused on supporting the humanitarian needs of communities in the region. SHARE: Download: Full Size (1.2 MB) Tags: Exercises, Navy, Training, Cobra Gold Credit: Navy Petty Officer 2nd Class Anaid Banuelos Rodriguez VIRIN: 190217-N-DX072-1736C.JPG Photo Gallery