Veterans Integrated Service Network 19 awarded a purchase order to Varian Medical Systems, Inc. for software support for ARIA and Eclipse valued at $637,800 with a completion date of March 7, 2029, issued March 8, 2024. The order covers ARIA Radiation Oncology and Eclipse Treatment Planning System software updates, help desk support, maintenance, and training for the Oklahoma VA Healthcare System. Work is performed in Palo Alto, California. The procurement originated from a sole-source Special Notice published February 2, 2024, reflecting existing system implementation at the facility.