Marines execute weighted step ups while participating in a Force Fitness Instructor (FFI) course on Camp Lejeune, North Carolina, Jan. 30, 2024. The FFI course is made up of physical training, classroom instruction, and practical application to provide the students with structured functional exercise science in order to optimize mental and physical performance, reduce injuries, and maximize unit physical readiness.

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Keywords: 2nd, ffi, fitness, mafce, mlg, readiness, usnorthcom