B-21 80 Row Environmental Protection Shelters (EPS) at Ellsworth Air Force Base (AFB), South Dakota (SD)

About this opportunity

Amendment 3: The purpose of this amendment is as follows: 1. Updated 00 21 00 (see 00 21 00, dated 04/01/26) 2. Updated drawings/specs (see Summary of Changes, dated 04/01/26) 3. Proposal due date extended to 04/24/26 at 2:00 PM CDT. All other terms and conditions remain the same.