CFR > Title 32 - National Defense > SUBTITLE A—Department of Defense > CHAPTER I—OFFICE OF THE SECRETARY OF DEFENSE (parts 1 to 399) > SUBCHAPTER D—PERSONNEL, MILITARY AND CIVILIAN (Parts 44–149) > PART 48—RETIRED SERVICEMAN'S FAMILY PROTECTION PLAN > SUBPART D—Reduction of Retired Pay (§48.401 to §48.406) > 48.404—Ages to be used.