TN Air Nat. Guard provides imagery analysis to support hurricane relief efforts An intelligence officer for the 118th Intelligence, Surveillance, and Reconnaissance Group based at Joint Base Berry Field in Nashville, Tenn., assesses areas in Puerto Rico without power, Sept. 15, 2017. The box in the top right of his screen is a NASA image, and the main image reflects the power situation at the time. Tennessee Air National Guard photo SHARE: Download: Full Size (0.76 MB) Credit: Master Sgt. Robin Brown VIRIN: 170915-Z-KR644-002.JPG Photo Gallery