The Naval Air Systems Command intends to award a Sole Source Delivery Order on Basic Ordering Agreement N00019-11-G-0001 to McDonnell Douglas Corporation a subsidiary of The Boeing Company, St Louis, MO, for the procurement of the H6.0 Software Suite into the T/AV-8B aircraft. This effort includes Non-recurring engineering, ready for issue publications, final Codeable Test Flow Diagrams (CTFD), and Integrated Logistics Support (ILS) for the H6.0 Software Suite upgrade. Effectivity of the H6.0 Software Suite upgrade includes the US, Spanish and Italian aircraft, with the exception of the Spanish Trainer aircraft and Spanish Night Attack Upgrade aircraft. Numbered Note 22 applies.