GREAT LAKES, Ill. (July 7, 2022) Machinist's Mate 1st Class Andrew Mercer, a firefighting and damage control instructor at Recruit Training Command (RTC), gives instruction to Naval Reserve Officer Training Corps (NROTC) New Student Indoctrination (NSI) midshipman candidates inside the confidence chamber at RTC. Upon completion of NSI, the candidates will start their freshman year of the NROTC 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), Rear Adm. Jennifer S. Couture, 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 2nd Class Nikita Custer)