An Israeli attack on Iranian nuclear sites may quickly spiral out of control and result in a large regional war, a Pentagon war game predicts. American casualties would be counted in hundreds at least. The two-week game held by Central Command called Internal Look played on a scenario in which Israel carried out an air strike on Iranian facilities. In retaliation Iran strikes both the Jewish state... 

US Defense Secretary Leon Panetta says American bunker-busters may not penetrate Iran's deepest bunkers if they are protected by Iranian-made “smart concrete." As tension escalates between the US and Iran, American officials are increasingly concerned that the use of “smart concrete” may render Iranian nuclear sites impervious to US bunker-buster bombs. An article published by Aggravate...