As soon as the CSAR crew received the sign, that they had a call to make -- their preference was for a nighttime rescue to take advantage of night time-vision capabilities and make the mission safer. But the sign was acquired simply earlier than dawn, and they didn't think ready another day was an choice. So two hours after they received the sign, in broad daylight, a Marine unit hit the bottom and extracted O'Grady in just over two minutes [supply: FIU].