Weighing in at 30,000 pounds, the Massive Ordnance...  ...00 pounds, the Massive Ordnance Penetrator of the US Air Force will become the largest air -dropped non-nuclear bomb ever built: The MOP i...  ...ther of all bombs", the GBU-43/B Massive Ordnance Air Blast bomb, which...

That stands for "vertical take off and landing", n...  ...prey in the U.S. military inventory. As the U.S. Air Force is moving toward a greater role for unmanned aircraft , the Excalibur could have a production future:...  ...aviation-amp-space/article/2009-07/unmanned-hov...