The Naval Air Systems Command (NAVAIR), NAS Patuxent River, MD, intends to award Northrop Grumman Systems Corporation (NGSC), San Diego, CA, a sole source Indefinite Delivery Indefinite Quantity (IDIQ... The Naval Air Systems Command (NAVAIR), NAS Patuxent River, MD, intends to award Northrop Grumman Systems Corporation (NGSC), San Diego, CA, a sole source Indefinite Delivery Indefinite Quantity (IDIQ) contract in support of the MQ-4C program. The anticipated IDIQ is for the procurement of Engineering, Sustainment, and Logistical efforts in support of the MQ-4C Triton Unmanned Aircraft System for the United States Navy (USN) and Royal Australian Air Force (RAAF). Anticipated efforts include, but are not limited to: Non-Reccuring Engineering, Software and Cyber Sustainment activities, Integrated Logistic Support, Engineering Change Proposals, Technical Directive activities, Trade Studies, and Engineering Investigations. Contract award is anticipated for the third quarter of fiscal year 2027. The anticipated ordering period will be for approximately 48-months. This requirement will be procured in accordance with the statutory authority permitting other than full and open competition under Title 10 U.S.C 3204(a)(1), as implemented by FAR 6.103-1, “Only one responsible source and no other supplies or services will satisfy agency requirements.” As the sole designer, developer and manufacturer of the MQ-4C Triton UAS, NGAS is the only source with the requisite knowledge, experience, engineering expertise, and technical data required to meet the Government’s requirements within the program’s cost and schedule constraints. Note: THIS IS NOT A REQUEST FOR PROPOSAL. No contract will be awarded on the basis of offers received in response to this notice. All responsible sources may submit a capability statement that will be considered. There are no commitments by the Government to issue any solicitations, make an award, or to be responsible for any monies expended by any interested parties before award of a contract for the efforts mentioned above. A determination not to compete this requirement is within the discretion of the Government. Companies interested in subcontracting opportunities should contact Northrop Grumman Systems Corporation – Aerospace Systems attention: Vicky Harper-Hall, Socio-Economic Programs Sector Manager, email: vicky.harper-hall@ngc.com or phone (310) 331-3824.