Military planners fear these could come under attack in a war.
In the evening, he led a meeting on the subject with military planners.
And military planners, they say, are not always at the ready to help them do that.
The campaign continued to influence military planners even after the war.
"That changes the way our military planners have to think," he said.
The interesting question is what targets military planners have in mind for the B-61-11.
Military planners are serious people who have to run large and complicated organizations.
But military planners are counting on none of those things.
Many military planners are looking at future troop levels in Iraq, for different reasons.
Those earlier exercises have been a particular concern to American military planners.