A Massive Ordnance Air Blast (MOAB) weapon is prepared for testing at the Eglin Air Force Armament Center on March 11, 2003. The MOAB is a precision-guided munition weighing 21,500 pounds and will be dropped from a C-130 Hercules aircraft for the test. It will be the largest non-nuclear conventional weapon in existence. The MOAB is an Air Force Research Laboratory technology project that began in fiscal year 2002 and is to be completed this year.