After the loss of Columbia a couple of years ago, I think we were reminded of the risk. All of us, though, have always known that the Space Shuttle is a very risky vehicle, much more risky than even flying airplanes in combat.
If today is anything like the typical day of the past 3 years, three American soldiers will die in Iraq or Afghanistan, the Taliban will get a little stronger in Afghanistan and the civil war will continue to be enhanced in Iraq.