A bill to impose a condition for the conveyance, previously required, of certain real property of the United States on the Island of Vieques to Puerto Rico.

Amends the Floyd D. Spence National Defense Authorization Act for Fiscal Year 2001 to: (1) authorize (currently, requires) the Secretary of the Navy to convey to Vieques, Puerto Rico, the land constituting the Naval Ammunition Support Detachment on Vieques; and (2) allow the Secretary to exercise such authority only if the Government of Puerto Rico is fulfilling certain assurances made regarding the restoration of military training at the Navy's training site on the island of Vieques.