Illumination Rounds An Army mortar crew fires illumination rounds into the night near Thumrait, Oman, Jan. 28, 2018, during Inferno Creek, an annual Omani-U.S. exercise focused on building bilateral military ties. Army photo by Sgt. David L. Nye SHARE: Download: Full Size (0.86 MB) Credit: Sgt. David Nye VIRIN: 180128-A-FO568-011C.JPG Photo Gallery