I was in an Air Cav unit in a scout helicopter. We spent most of the time low and close to the ground with our Cobras. Being Cav we moved forward as the lines moved, so we had a chance to get a look at the stuff that had been destroyed. We were told the DU was safe, but it looks like it was not after it has been fired. I actually did a three day study and the SF VA hospital. That has to be one of the nicest locations for a government facility. The view overlooking the bay was incredible.
