STENNIS SPACE CENTER, Miss. – Structural work has been finished on the A-3 test stand that will be used to test engines for the Constellation Program. Work has now begun on general construction. When completed, the A-3 stand will test J-2X engines that will propel the Ares I crew launch vehicle and the Ares V cargo launch vehicle. The A-3 can simulate altitudes up to 100,000 feet and can withstand a million pounds of thrust. The stand has a completion date for May 2011. (Source: Sun Herald, 05/28/09)
