The U.S. is finally getting out of Afghanistan. While most Americans have long supported an exit, advocates of a continued U.S. military presence warn of the Afghan government’s collapse, the subjugation of women and the re-establishment of a terrorist haven.

Both sides of the debate ignore a key point: U.S. troops can go back. A permanent military presence and a permanent retreat aren’t the only military options…

This is a preview. Read the full article at The Wall Street Journal.