This is a sole-source requirement to add a horizontal stabilizer part to an existing contract, with a request for a 20% cost reduction and a 25% reduction in lead time. The contractor must provide pricing for quantities ranging from 144 to 290 or 291 units if a First Article Test is waived. Delivery of 290 units is scheduled from August 2027 through March 2031, with monthly quantities specified. All services are to be performed at Tinker AFB in Oklahoma. The contract period is for one year.