B-21 West Alert Apron Environmental Protection Shelters at Ellsworth Air Force Base (AFB), South Dakota (SD)

ain the same.

Amendment 6: The purpose of this amendment is as follows: 1. Updates to Drawings/ Specs (see Summary of Changes, dated 04-13-26) 2. Proposal Due Date extended to 04/20/26 at 2:00 PM CT. All other terms and conditions rem