dr. michael font roy, thanks for being with us. mike? >> thanks, andrea. one of the heros from the discovery building standoff is going to receive a national honor today. you may remember that standoff happened september 2010, a big event here in the washington area. the ceremony is the honor and it is happening today. delia gonsalves is live in sill sprer spring by discovery headquarters with more. >> reporter: good morning, mike, i was back here that day, september 2010 covering that story when it first broke. one thing i won't forget. i saw lines of babies in the portable cribs being rolled out on to the sidewalk. you see, there is a nursery on the bottom floor of the discovery building. those babies were all being evacuated from the building, separated from their parents who work in the building as well. so, even though the day started out much like this one, pretty routine, quiet, peaceful, later that afternoon, you can imagine there was a whole lot of chaos and fear on the streets here of silver spring. officer edward paden was off- duty that day and