B-21 60 Row South- Environmental Protection Shelters (EPS) at Ellsworth Air Force Base (AFB), South Dakota (SD)

About this opportunity

Amendment 4: The purpose of this amendment is as follows: 1. Revised Drawings/Specs (see Summary of Changes, dated 03/19/26) 2. Revised 00 22 00 (see 00 22 00, dated 03/19/26) 3. The Proposal Due Date remains 03/31/26 at 2:00 PM CT.