The U.S. has transferred 11 Yemeni men to Oman after holding them for more than two decades without charge at the U.S. naval base in Guantanamo Bay, Cuba.

The men released from Guantanamo Bay on Monday were never charged with crimes. Their resettlement leaves 15 at the U.S. military prison complex.

The United States has sent 11 Yemeni detainees at the Guantanamo Bay detention center to Oman, the Pentagon said on Monday, in a major resettlement that slashes the prisoner population to just 15 people.