MCO 1500.52E governs the Marine Corps Water Survival Program, including aquatic training, underwater egress, qualifications, and safety.
View MCO 1500.52E on armypubs.army.mil
It establishes progressive swim and survivability training, UET prerequisites and standards, qualification intervals, reporting, and facility requirements. It requires approved training, safety controls, medical screening, and tracking of training and qualifications.
Marines and FMF Sailors must successfully complete all stages of the training to earn an UET qualification. (paragraph 4)
UET qualifications expire four years after the certification date unless a shorter sustainment interval is directed. (paragraph 5)
Marines must have a current MCWSP swim qualification to conduct UET. FMF sailors must have a current MCWSP or Navy swim qualification. (paragraph 3)
Expired water survival qualification levels will revert to WSU. Units must ensure WSU is entered into MCTIMS, in accordance with chapter 2 of this Order, when a Marine’s qualifications expire. (paragraph 3)
Do not conduct submerged breath holding activities without a certified lifeguard present. (paragraph 5)