This is a pre-solicitation notice for a planned sole-source, firm-fixed-price contract to Aeronix, Inc. for software upgrades and maintenance for Tactical Data Link Studios (TDLS) and WinIDM. The Air Force Test Center at Edwards AFB, California, is seeking to identify any other potentially qualified sources capable of meeting these specific requirements. Interested vendors must submit a complete technical package with clear evidence of their capability, along with verification of their SAM.gov representations and certifications. All responses must be received no later than 9:00 a.m. Pacific Daylight Time on May 2, 2026. The applicable NAICS code is 541519 with a $34.0 million size standard.