trevor jacobs and his buddy are skateboarding across america. ade a stop in woodward, pennsylvania. believe it or not, trevor claims he pulled the first-ever double backflip on a skateboard. as it's been said, if you don't succeed the first time, try, try again. trevor tried 108 times before he landed this. that's two complete backwards rotations, sticks the landing. people go crazy. now this is trevor's claim that it's the first ever. how do we know for sure? he's at the woodward site in pennsylvania which is like the training facility for skateboarders. >> this looks like a back spin-around. >> when you do a backflip, you think of people going like this, backwards on a flip. but on a skateboard you really can't do the traditional looking backflip. it is almost like a double barrel roll. a double mid-air barrel roll. >> can you imagine trying that 108 times. >> i'd try it 108 times just to land in a big tub of foam. >>> i don't know how i beat you to this one -- >> this is my favorite sport. >> this video was created and they decided they'd let

jacob. >> thomas william. >> dekab --delaney. >> caitlin. >> michael philipp mason. >> justin dean garrett >> -- dean. >> barons got nottingham -- darin scott nottingham ii. >> christopher. >> jeffrey david. >> trevor david. >> jonathan. >> amanda elisabeth terry. >> cadet squadron 21. [applause] >> evan barrett. >> matthew hines. >> benjamin lee brown. >> rainer. >> elvira and nancy. >> christopher ryan. >> stephen robert collins. >> austin michael. >> alicia fleischmann. >> benjamin scott galloway. >> >> [reading graduates' names] >> could at squadro 22 -- cadet squadron 22 guest. [reading graduates' names] cadet squadron 23. [reading graduates' names] >> concluding our coverage of president obama at the commencement of the air force academy, live now to the pentagon for the defense department briefing. >> good to see you again in washington after the nato chicago summit. i would like to have a brief statement before hand, and i will tell you that i left the summit heartened by the overwhelming international commitment to afghanistan through 2014 and beyond, and in particular, the afghan national security forces. the nato summit in chicago said the three unmistakable messages to the world. to the