age limit to join military reserves
To enlist in the Army Reserve you must be: Between the ages of 17â35 (must ship to basic training prior to 35th birthday) A U.S. citizen or registered alien â U.S. Citizens or Permanent Resident Aliens (people who have an INS I-151/I-551 âGreen Cardâ) may join the U.S. Military. Healthy and in good physical condition.