straight for the girl, who is hidden from the camera's view behind the barng. >> trying to keep myself from going under the barge, once i gabbed her, slide along the barge with the current. >> but as he grabs the girl, three other panicked people grab him. >> my back was up against the barge, i held on. he saves the four people and by now other coast guard officers have jumped in, including dwight hagans who goes after another person struggling to survive. >> in the front of the barge, i could see some color shirt, i was like, maybe i could swim over and grab this shirt and get this person out. but once i got over to try to get to that shirt, i got caught in the current and sucked under the barge. >> spectators stand by helplessly as hagan is sucked under and finds himself fighting for his own life. >> i was so tired. i put my arms down, i said, i can't go on no more. i said, i'm too tired. i thought i was dead. i closed my eyes and i prayed as hard as i could.