http://upi.com/view.cfm?StoryID=20021110-095757-5301r
this is a cool new weapons us Navy is getting soon
This new Tomahawk can change direction and target while in flight.
but it gets even better
"" Those capabilities will allow cruise missiles to lurk in the sky over a battlefield for several hours until a suitable target is identified and its location is fed into the rocket's guidance system. ""