This is a sole-source delivery order for the Bell Boeing Joint Program Office to update the V-22 Mission Planning and Power Assurance engine performance model and related publications. The work involves engineering, management, technical, and acquisition efforts. The services will be performed at the contractor's location in Amarillo, Texas. The statutory authority for other than full and open competition is cited, as Bell Boeing is deemed the only responsible source with the requisite knowledge and data. Subcontracting opportunities may be available through the provided contacts.