**ATSA - I Awardee Pool Requirement** Engineering Services for the Versatile Diagnostic Automatic Test Station (VDATS) testers, National Stock Numbers (NSNs) 4920-01-553-0693, 4920-01-553-1534, 4920-01-663-3117KV and 4920-01-663-3118KV. These services include obsolescence monitoring and forecasting. The VDATS is a revolutionary automatic test system organically designed and built by the USAF. It provides both depot and intermediate-level maintenance capabilities for testing avionics components across multiple aircraft platforms and systems. The innovative design of VDATS supports a wide range of digital, analog, and radio frequency avionics workloads. The system was developed and is supported by the USAF at Robins AFB.