The Lockheed Martin X-44 MANTA (Multi-Axis No-Tail Aircraft) was a conceptual aircraft design by Lockheed Martin that has been studied by NASA and the U.S. Air Force.
Vojne, upravne in vojaške reforme v 3. in 4. stoletju in uničujoče poplave so prisilile prebivalce, da so se vedno bolj zatekali v vojaški tabor.