Solicitation DEPT OF DEFENSE is seeking GENERAL SCIENCE AND TECHNOLOGY R&D SERVICES for Air Force Airbase Systems at Tyndall AFB, FL (zip: 32403), USA. This five-year Closed Two-Step Broad Agency Announcement (BAA) with CALLs aims to support basic research, applied research, advanced technology development, and advanced component development and prototypes in accordance with DFARS 235.016(a). Interested offerors must monitor SAM.gov for amendments or CALLs issued.