we searched the whole op and the personnel who were there and that bergdahl liked to hang out with them and spoke with them a lot. they hadn't seen him. they didn't know where he was at and it didn't take long before it became pretty clear that he was gone. >> and he was supposed to have been on guard duty that night? >> yes. he was about to go on guard shift. someone woke him up for his shift and that's when they found out that he was not there. >> what was your immediate thought when you learned and the fellow members of your squad and platoon learned that he was gone? >> when i -- when i heard that he was gone and we didn't find him on the op and i went and talked to my platoon sergeant, i asked him, i said, is his weapon here, his bulletproof vest here, his night vision here? they said, yes, all of his items are here. i immediately said, he walked