A fuselage positioning mechanism comprising: a fuselage positioning rail configured to be mounted on the fuselage and parallel to the longitudinal axis ; and a forward wing connection assembly comprising a cam bracket assembly having a cam bracket mount slidable on the positioning rail and a cam bracket mounted on the cam bracket mount , wherein the positioning rail has a plurality of teeth arranged in and evenly spaced along two rows parallel to the longitudinal axis of the fuselage , wherein the positioning rail has a generally T-shaped cross-section with beveled lateral edges that is received and engaged by a rail groove of the cam bracket mount having a complimentary shape to the positioning rail , wherein the rail groove has lateral jaws engaging the beveled lateral edges of the positioning rail , wherein the cam bracket assembly is mounted on the fuselage positioning rail and movable between a plurality of discrete positions in the longitudinal direction, wherein the cam bracket assembly is adapted to be operatively connected to the wing assembly so that movement of the cam bracket assembly along the fuselage positioning rail facilitates movement of the fuselage in the longitudinal direction between the fuselage maximum forward position and the fuselage maximum aft position, wherein the forward wing connection assembly comprises a center wing sway rib assembly adapted to be operatively connected to the wing assembly , and wherein the cam bracket assembly comprises a cam lock arm that is movable between a locked position where the cam lock arm engages the center wing sway rib assembly to lock the cam bracket assembly to the center wing sway rib assembly for movement together in the longitudinal direction and an unlocked position where the cam lock arm is disengaged from the center wing sway rib assembly to allow the cam bracket assembly and the center wing sway rib assembly to move independently in the longitudinal direction. a fuselage positioning rail configured to be mounted on the fuselage and parallel to the longitudinal axis ; and a forward wing connection assembly comprising a cam bracket assembly having a cam bracket mount slidable on the positioning rail and a cam bracket mounted on the cam bracket mount , wherein the positioning rail has a plurality of teeth arranged in and evenly spaced along two rows parallel to the longitudinal axis of the fuselage , wherein the positioning rail has a generally T-shaped cross-section with beveled lateral edges that is received and engaged by a rail groove of the cam bracket mount having a complimentary shape to the positioning rail , wherein the rail groove has lateral jaws engaging the beveled lateral edges of the positioning rail , wherein the cam bracket assembly is mounted on the fuselage positioning rail and movable between a plurality of discrete positions in the longitudinal direction, wherein the cam bracket assembly is adapted to be operatively connected to the wing assembly so that movement of the cam bracket assembly along the fuselage positioning rail facilitates movement of the fuselage in the longitudinal direction between the fuselage maximum forward position and the fuselage maximum aft position, wherein the forward wing connection assembly comprises a center wing sway rib assembly adapted to be operatively connected to the wing assembly , and wherein the cam bracket assembly comprises a cam lock arm that is movable between a locked position where the cam lock arm engages the center wing sway rib assembly to lock the cam bracket assembly to the center wing sway rib assembly for movement together in the longitudinal direction and an unlocked position where the cam lock arm is disengaged from the center wing sway rib assembly to allow the cam bracket assembly and the center wing sway rib assembly to move independently in the longitudinal direction. <EOS>