OST Inc.,* McLean, Virginia, was awarded a $90,000,000 modification (P00015) to contract W900KK-17-D-0002 to provide responsive, integrated, and interoperable infrastructure for simulation, training, testing and instrumentation solutions, and acquisition services. Bids were solicited via the internet with one received. Work locations and funding will be determined with each order, with an estimated completion date of May 9, 2023. U.S. Army Contracting Command, Orlando, Florida, is the contracting activity.