precautions and stocked up. megyn, back to you. megyn: last-minute preparations to secure a dozen nuclear reactors in irene's path. crews are fueling backup generators and setting up cots for stranded workers. the biggest threat is from high winds which could damage electrical lines and cut power to the plants. rear getting an up close look at hurricane irene thanks to some storm hunters. these meteorologists are risking their lives flying directly into the center of the hurricane trying to gather information to track it and save lives on the ground. lieutenant colonel john talbot joins me now on the phone. thanks so much for being here. the last time we spoke i think you have been in the heart of the storm saturday. have you been back? >> we flew a mission yesterday