This image provided by ABC NEWS shows charred underwear with explosive packet, a six-inch long packet of the high explosive chemical called PETN that was smuggled onto the Northwest Airlines Flight 253 by 23-year-old Nigerian suspect Umar Farouk Abdulmutallab.<CITE id=captionCite>(AFP/ABCNews-HO)</CITE>
A sign shows the temperature on the Ft. Wainwright army base in Fairbanks, Alaska.<CITE id=captionCite>(Photo and caption submitted by Laura Smerbeck)</CITE>
A sign shows the temperature on the Ft. Wainwright army base in Fairbanks, Alaska.<CITE id=captionCite>(Photo and caption submitted by Laura Smerbeck)</CITE>