The Pentagon has reportedly upgraded its "bunker buster bomb" in what officials say is a critical step in convincing Israel the U.S. has the ability to stop Iran from obtaining nuclear weapons if diplomacy fails.The Wall Street Journal reports the Massive Ordnance Penetrator, or
The paper reports U.S. officials have demonstrated an earlier version of the bomb's capabilities to Israeli leaders several times recently by showing them a video of the bomb hitting its target in high-altitude testing.
Pentagon officials view the development of the weapon as critical to convincing Israel it can rely on the U.S. to stop Iran from developing nukes, and that the Israeli military cannot do so on its own.