Final answer:
The function of a designated unit fitness training NCO or master fitness trainer is to ensure the physical readiness of military personnel by designing and implementing exercise programs.
Step-by-step explanation:
The function of a designated unit fitness training NCO or master fitness trainer is to ensure the physical readiness of military personnel. They are responsible for designing and implementing exercise programs and training regimens that improve strength, endurance, flexibility, and overall fitness. They assess the fitness levels of individuals and provide guidance and support to help them achieve their fitness goals.
These fitness professionals play a crucial role in preventing injuries and promoting a healthy lifestyle among military personnel. They may also provide nutritional advice and monitor the progress of individuals during their training. By focusing on physical fitness, they contribute to the overall readiness and effectiveness of the military.