To provide a military survivor annuity for widows of certain retirement-eligible reserve members of the uniformed services who died during the period between the establishment of the military Survivor Benefit Plan and the creation of the reserve-component annuity under that Plan.

Directs the Secretary of the military department concerned to pay an annuity under the Survivor Benefit Plan (SBP) to each individual who is the surviving spouse of a reserve member of the uniformed services who: (1) died after September 20, 1972, and before October 2, 1978; and (2) at the time of death would have been entitled to military retired pay but for the fact that he or she was under age 60. Provides conditions for the receipt of such annuity. Sets forth procedures for computing such annuity.

Provides that if an individual entitled to an annuity under this Act is also entitled to an SBP annuity based upon a subsequent marriage, the individual may not receive both annuities, but must choose one.