Category Alpha News Today : Breaking News, Live Updates & Top Stories | Vimarsana

The pilots fly fast and aggressively. to better see dangers on the ground, the crews leave the helicopter doors open. feet dangling out, kept in by g force and straps. staff sergeant matt scholar on more than 75 missions like this. >> flying out there, it's so dynamic. thinking, looks outside the aircraft looking for threats. we are so vulnerable flying over. however fast or however high. people want to try to take pot shots at us, shoot us. i'm scanning for threats. >> reporter: the category alpha is a soldier shot in the neck. they give him pain medicine, fluids, oxygen and holds his hand. h...

Rescue crews on the missions in southern afghanistan and they're widely considered among the finest in the world. they're among the u.s. military's most elite, highly trained airmen. their specialty is combat rescue. flying on to battlefields under fire to recover wounded troops. >> quicker to get them to the operating room, the better the chances of survival. that's back home and here on the battlefield, as well. >> reporter: officially they're combat paramedics but the airmen go by the pedros. any soldier will tell you, if you're hurt in combat, you want the pedros coming for you. we joined ...

Good about that. >> reporter: between missions, the crews maintain equipment, prep the helicopters and work out. >> when the call comes, flip that switch. it's go time. >> reporter: in afghanistan, these days, it's often go time. they have received another category alpha. an american convoy has been hit by an ied. one american is severely injured. details about the condition are radioed in as the helicopter speeds to the blast speed at 100 miles per hour. >> lower extremities unknown. conscious. medic on site. >> reporter: they quickly locate the site a few miles off base. >> visual, visual. >...