Washington (CNN) -- In an unprecedented move to protect U.S. troops that might be exposed to Ebola, U.S. military commanders are being given the authority to quarantine troops for 21 days at a Defense Department facility where they will be monitored for signs of the disease and treated if they do contract the virus, a Defense Department memo explained.

The memo, which was obtained by CNN, spells out the details of the military's plan for the first time.
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