Force Training Telecommunications Engineering (FT31) L-R Engineering Intern Zive Petrovsky, left, CSC Engineering Tech Franklin McAllister, Jr. and Electronics Engineer Carlos Velasco attach equipment to Highly-Transportable Land Mobile Radio (HTLMR) system antenna mast at NSWC Corona. The system provides U.S. Marines with temporary, transportable radio capabilities for post-disaster, infrastructure restoration and other missions.