United States, April 24 -- Lockheed Martin Corp., Lockheed Martin Aeronautics Co., Fort Worth, Texas, is awarded a $177,493,428 modification (P00022) to a cost-plus-incentive-fee contract (N0001923C0003). This modification adds scope to provide all touch labor and reach-back engineering required to build and deliver three flight science aircraft, one for each variant (F-35A, F35B and F35-C) to replace the aging original flight science aircraft in support of preventing a capability gap for flight test and allow for future, holistic testing of Block Four capabilities and other future capabilities for the Joint Strike Fighter program. Work will be performed in Fort Worth, Texas (30%); El Segundo, California (25%); Warton, United Kingdom (20%);...