Final answer:
CW3 Clark's birth month window for his Class 2 FDME typically includes his birthday month and may also extend to the months immediately before or after. He should check specific military health policies for exact dates.
Step-by-step explanation:
The Class 2 FDME (Flight Duty Medical Examination) for CW3 Clark, whose birthday is on 07 February, would fall within the birth month window specific to the health policy of the military branch he serves in. Typically, for the U.S. Army, a Class 2 FDME is due annually. However, the exact birth month window may vary based on the policies of different branches or units. Generally, the birth month window for a medical examination would be the month of the individual's birthday and can extend to the months immediately before or after, but this can differ by organization. CW3 Clark should check the specific regulations or contact his health services for the precise window for his FDME.