Final answer:
Waiving more than three consecutive PRT cycles for "DEP/OP" for the entire command requires concurrence from the echelon 3 commander via the ISIC.
Step-by-step explanation:
In the context of the US Navy's Physical Readiness Test (PRT) cycles, waiving more than three consecutive cycles for "DEP/OP" throughout the entire command requires concurrence from the echelon 3 commander via the ISIC.