A great example from the Chinese air force of the application of a sledgehammer to crack a wallnut, with an H-6 bomber doing its stuff against a blockage of river ice:
http://www.flightglobal.com/articles/2011/03/29/354890/pictures-chinese-air-force-bomber-blitzes-river-ice.html
Anyone got any similar anecdotes of unusual uses for ordnance, while we're at it?