He has announced withdrawals before that turned out to be only troop rotations.

Because of troop rotation, more than 1,400 are there now.

He waits for a larger blueprint from the military that would make new troop rotations more predictable.

Alter troop rotations so that 30,000 more troops are policing Baghdad.

Skeptics, however, contended that these movements were merely troop rotations.

At first, he knew, those departures would seem to be no different from a normal troop rotation.

Until last year, however, when 20,000 troops were reported to have been withdrawn, Western nations dismissed these movements as troop rotations.

And God only knows if or when we're going to see our next troop rotation.

Levels had been scheduled to decline to about 110,000 during the present troop rotation.

We've found it pretty difficult to move off of the steady state, one-for-one troop rotation.