B-21 Alert Facility, Ellsworth Air Force Base (AFB), South Dakota (SD)

About this opportunity

Amendment 3: The purpose of this amendment is as follows: 1. Updated drawings/specs (see Summary of Changes dated 04/30/26). 2. CLIN 0003 updated. 3. Revised 00 22 00 (see 00 22 00 dated 04/30/26). 4. Proposal due date extended to 05/15/26 at 2:00 PM CDT. All other terms and conditions remain the same.