BAE Systems, has released details on some future aircraft and 3D printing. One concept is for a 3D printer located on-board of an airplane, capable of printing out custom UAVs for almost any imaginable scenario. These would be printed out and assembled via a robotic system on-board and then sent off onto their mission. Another example was an aircraft that is made up with multiple smaller UAVs capable splitting off and going in their own directions. These are predictions made for the year 2040. What do you think? Read more at http://3dprint.com/8252/bae-systems-3d-printed-uavs/