Exothermic Expertise A sailor cuts metal with a portable exothermic cutting unit in the pipe shop of the aircraft carrier USS John C. Stennis in the Indian Ocean, Feb. 4, 2019. SHARE: Download: Full Size (1.65 MB) Tags: Navy Credit: Navy Petty Officer 3rd Class Angelina Grimsley VIRIN: 190204-N-EF115-0024X.JPG Photo Gallery