as well. i'm speaking particularly of drone pilots. >> well, we've -- this is an area of our air force that has grown over the last several years and a great success story for our air force. after 9/11 the number of remotely piloted vehicles in our air force could be counted on a couple hands. >> right. >> now we're pushing 300 aircraft in our inventory. we've created new career fields for pilots, for sensor operators. we've built up the intelligence support that's behind it that makes that system work. it's been a great success. >> what is exactly a drone pilot since it's an unmanned plane, but i see here that there is -- that the air force is struggling to fill a shortfall of more than 300 drone pilots. >> they'll need thousands in the next few years. >> what does a drone pilot do? we refer to them as remotely piloted aircraft because they are anything but unmanned. each aircraft supported by a pilot, sensor operator and