|| Jet || Bomber || 1945 || Project || 0 || |- |Horten Parabola || Germany || Glider || Experimental || 1938 || Project || 0 || Built but not flown. |- |Lockheed Martin RQ-170 Sentinel || US || UAV || Reconnaissance || 1991 || Production || 20 ca. || |- |McDonnell Douglas A-12 Avenger II || US || Jet || Attack || 2007 || Project || 0 || |- |Northrop B-2 Spirit || US || Jet || Bomber || 1989 || Production || 21 || |- |Northrop Grumman B-21 Raider || US || Jet || Bomber || Current || Project || 0 || |- |Northrop N-1M || US || Propeller || Experimental || 1940 || Prototype || 1 || |- |Northrop N-9M || US || Propeller || Experimental || 1942 || Prototype || 4 || |- |Northrop XP-79 || US || Jet || Fighter || 1945 || Prototype || 1 || |- |Northrop XB-35 & YB-35 || US || Propeller || Bomber || 1945 || Prototype || n/a || |- |Northrop YB-49 || US || Jet || Bomber || 1947 || Prototype || 3 || Converted YB-35. |- |Northrop Grumman Switchblade || US || Jet || UAV || 2008 || Project || 0 || |- |NRC tailless glider || Canada || Glider || Research || 1946 || Prototype || 1 || |- |Putilov Stal-5 || USSR || Propeller || Transport || 1933 || Project || 0 || 18 passengers, scale model flown 1935. |- |Saegheh || Iran || Jet || UAV || 2018 || Production || n/a || |- |Sukhoi S-70 Okhotnik || Russia || Jet || UAV || 2019|| Prototype|| 1 || stealth |- |Vought V-173 || US || Propeller || Experimental || 1942 || Prototype || 1 || Circular wing. |- |Vought XF5U || US || Propeller || Fighter || 1947 || Project || 0 || Failed to fly |} See also Blended wing body Lifting body References External links Development History of Horten Flying Wing Aircraft Lists of aircraft by wing configuration