Update at 5:33 p.m. ET. 'I'm Sorry':
Delivering an unsworn statement before a military judge in Fort Meade, Md., Pfc. Bradley Manning apologized for perpetrating the largest leak of classified information in U.S. history.
"I'm sorry I hurt people," he said according to Reuters. "I'm sorry that I hurt the United States. I'm apologizing for the unexpected results of my actions. The last three years have been a learning experience for me."