Retired Sgt. Maj. John Canley, Medal of Honor Recipient, speaks to Marines of the 31st Marine Expeditionary Unit and 3rd Marine Expeditionary Force on Camp Hansen, Okinawa, Japan, Dec. 11. - Retired Sgt. Maj. John Canley, Medal of Honor Recipient, speaks to Marines of the 31st Marine Expeditionary Unit and 3rd Marine Expeditionary Force on Camp Hansen, Okinawa, Japan, Dec. 11.