The US actually did consider this, but were worried that it would embolden the Japanese if the demonstration ended up being a failure(i.e. the bomb didn't prope

The US actually did consider this, but were worried that it would embolden the Japanese if the demonstration ended up being a failure(i.e. the bomb didn't properly detonate, yield was less than anticipated, etc. http://www.crf-usa.org/bill-of-rights-in-action/bria-15-3-b-choices-truman-hirohito-and-the-atomic-bomb.html http://www.crf-usa.org/bill-of-rights-in-action/bria-15-3-b-...