The Department of Defense seeks pre-proposals for environmental research related to Weapons Systems and Platforms, with an anticipated total budget of approximately $10 million for multiple awards. The pre-proposal submission deadline is 2:00 p.m. Eastern Time on February 17, 2026. Performance location is not specified. The selection process involves an initial pre-proposal review based on Technical Merit, Personnel, and Cost, with successful submitters invited to submit a full proposal. Both small and large businesses are encouraged to respond.