has been flying airborne missions out of kangaloosa, a former u.s. airbase.he goal is to measure changes to the arctic sea ice and the ice sheet over greenland. we are just on our way to the air base and i am feeling kind of a bit nervous. i'm not the most relaxed of flyers. so let's see what happens. >> it was 6am, and about 10 degrees farenheit. >> so it's usually about a quarter of a mile walk to the plain. whatever condition it might be in. you get to the plane, heat up the equipment, grab a hairdryer, and it is used to heat up the equipment and most of the equipment that we are using is off the shelf computer stuff, designed to go if a climate controlled room with humidity control, and none of that is here. >> here is a p3, a plane designed by the u.s. navy as an anti-submarine aircraft. >> it's the perfect airplane for this mission. it's meant to travel long distances over big oceans over big altitudes. bounces around in the turbulance. just like we knew. >> n.a.s.a. modified it with an array of sign tifg instruments and cameras. >> this is the forward