The Naval Air Systems Command (NAVAIR) is conducting market research for potential sources capable of providing SpaceX Starshield integration, along with spares material and sustainment labor, for the C-37 (Gulfstream G550) aircraft. This is a sources sought notice for informational purposes only and is not a formal solicitation for a contract. The government will not award a contract or provide compensation based on this notice. Interested businesses must submit a capability statement addressing the spares and sustainment requirements. Responses must be submitted electronically to the specified email address.