This is a $249,989 cost-plus-fixed-fee definitive contract awarded by the Department of the Navy's Office of Naval Research to Applied Research Associates, Inc. (ARA), a for-profit Subchapter S corporation. The contract is for the "Dynamic Environment Foundation Toolkit (DEFT) Set-Repo Tasks" with a completion date of September 30, 2021. The award does not specify a set-aside designation. ARA, through its Corporate/Southwest Division, serves as a prime contractor on federal contracts and grants, providing research, engineering, test and evaluation, modeling and simulation, and other technical services to the Department of Defense and Department of Homeland Security, among other agencies. ARA has been awarded several indefinite delivery/indefinite quantity (IDIQ) contract vehicles, including a potential $900 million IDIQ with the Air Force Life Cycle Management Center and a $582 million IDIQ with the Defense Threat Reduction Agency.