Veterans Integrated Service Network 6 awarded a purchase order to Varian Medical Systems, Inc. for $539,238 on September 22, 2026, for relocation, testing, calibration, and hardware and software upgrades of a Varian TrueBeam Linear Accelerator system at Durham Veterans Affairs Medical Center in Durham, North Carolina, with an ultimate completion date of December 15, 2026. The procurement was issued on a sole-source basis under FAR 12.102(b) Restricting Competition authority. The work encompasses equipment repositioning, system performance validation, hardware component upgrades, and software licensing or system integration necessary to restore the linear accelerator to operational status at the Durham facility.