As Per Army Regulation 600-9, Males are allowed the following Body Fat Standards.
However, all personnel are encouraged to achieve the more stringent DOD goals which
is 18 % body fat for males and 26 % body fat for females.

Age Group 17-20:        30% Body Fat
Age Group 21-27:        32% Body Fat
Age Group 28-39:        34% Body Fat
Age Group 40+:           36% Body Fat

Personnel who are overweight, including Soldiers who become pregnant while on the weight control
program:
(1) Are nonpromotable (to the extent such nonpromotion is permitted by law).
(2) Will not be assigned to command, command sergeant major or first sergeant positions.
(3) Are not authorized to attend professional military schools.