Within how many days must MECP selectees notify their Commander if they do not wish to participate in the program?

The correct timeframe for MECP (Medical Enlisted Commissioning Program) selectees to notify their Commander if they do not wish to participate in the program is 15 days. This timeline is crucial as it ensures that the military can manage the program effectively and know who is committed to pursuing a commission and who is not. Such a requirement helps maintain operational readiness and allows for proper planning of resources and personnel. If a selectee chooses not to participate, notifying within this period is essential to allow the command to offer the opportunity to alternate candidates or make adjustments in personnel assignments. Understanding this time limit emphasizes the importance placed on commitment and communication within military programs.