.......... there may be appointed each year at the Academy cadets as follows: (1) one hundred selected by the President from the children of members of an armed force who— (A) are on active duty (other than for training) and who have served continuously on active duty for at least eight years;
(B) are, or who died while they were, retired with pay or granted retired or retainer pay;
(C) are serving as members of reserve components and are credited with at least eight years of service computed under section
12733 of this title; or
(D) would be, or who died while they would have been, entitled to retired pay under chapter
1223 of this title except for not having attained 60 years of age;