This is a sole source requirement for the repair of two SHAFT ASSEMBLY, DRIV units. The Government lacks sufficient data to contract with any source other than the current one, and new source approval cannot be obtained in time for this award. Performance of services is under an already established Basic Ordering Agreement (BOA) with NAVSUP WSS Philadelphia. The acquisition is subject to Free Trade Agreements and the World Trade Organization Government Procurement Agreement. No budget amount or submission timeline is specified.