A U.S. military judge on Monday ordered that a plea agreement capping the sentence of an Osama bin Laden aide be sealed, shrouding in secrecy the first Guantanamo conviction under President Barack Obama.

The judge, Air Force Lt. Col. Nancy Paul, said the deal limiting how much more time detainee Ibrahim Ahmed Mahmoud al-Qosi spends in confinement will not be revealed until after his release. She said that condition of the plea bargain was requested by the government and agreed to by the detainee’s lawyers.