News Brief -- Holiday hours for Ellsworth Base Exchange Published July 1, 2009 28th Bomb Wing Public Affairs ELLSWORTH AIR FORCE BASE, S.D. -- The Ellsworth Base Exchange will have different hours for the upcoming Fourth of July weekend. The holiday hours are as follows: -July 3 - 9a.m. to 3p.m. -July 4 - 9 a.m. to 6 p.m. -July 5 - 10 a.m. to 6 p.m. The Shoppette will retain regular business hours during the Fourth of July weekend.