in the case of a person who completed the service requirements of paragraph (2) before
April 25, 2005, performed the last six years of qualifying service while a member of any category named in
section 12732(a)(1) of this title, but not while a member of a regular component, the Fleet Reserve, or the Fleet Marine Corps Reserve, except that in the case of a person who completed the service requirements of paragraph (2) before
October 5, 1994, the number of years of such qualifying service under this paragraph shall be eight; and