GREAT LAKES, Ill. (Aug. 3, 2023) A midshipman candidate in Naval ROTC New Student Indoctrination (NSI) Cycle 3 dons a self-contained breathing apparatus during firefighting application training at Recruit Training Command (RTC), Aug. 3, 2023. Upon completion of NSI, the candidates will start their freshman year of the Naval ROTC program at colleges and universities nationwide this fall. NSI is an indoctrination program hosted at RTC, and provides midshipmen with a common military training orientation. NSI provides basic training in five warfighting fundamentals - firefighting, damage control, seamanship, watchstanding and small arms handling and marksmanship - to begin creating basically trained and smartly disciplined future Navy and Marine Corps officers. NROTC is overseen by Commander, Naval Service Training Command (NSTC), Capt. Craig Mattingly, which supports naval accessions training for 98 percent of the Navy�s new officers and enlisted Sailors. (U.S. Navy photo by Mass Communication Specialist 1st Class Luke McCall)