An aerial vehicle fuselage comprising a fuselage module, the fuselage module comprising: a flight controller operatively coupled with a power unit; and a communications system (120, 508) operatively coupled with the flight controller, wherein the aerial vehicle fuselage is configured to removably couple with one of a plurality of lift generation modules (200, 200a, 200b, 200c) at an attachment point of the aerial vehicle fuselage via an attachment interface, wherein a plurality of electrical contacts are located at the attachment point to facilitate electrical communication between the flight controller and the one of a plurality of lift generation modules (200, 200a, 200b, 200c), wherein the power unit, the flight controller, and the communications system (120, 508) are positioned in an airframe to define the fuselage module, wherein the attachment interface is coupled to the airframe and is configured to couple structurally with a second attachment interface of the one of a plurality of lift generation modules (200, 200a, 200b, 200c) via one or more retention devices, characterized in that either: the fuselage module is configured to slidably engage with the one of a plurality of lift generation modules (200, 200a, 200b, 200c) such that the location at which the one of a plurality of lift generation modules (200, 200a, 200b, 200c) is positioned on the fuselage module is selectable; or the attachment interface includes a plurality of distributed retention devices, wherein the plurality of distributed retention devices are distributed along the length of the fuselage module to provide an operator with a plurality of options when selecting the attachment point of the aerial vehicle fuselage. a flight controller operatively coupled with a power unit; and a communications system (120, 508) operatively coupled with the flight controller, wherein the aerial vehicle fuselage is configured to removably couple with one of a plurality of lift generation modules (200, 200a, 200b, 200c) at an attachment point of the aerial vehicle fuselage via an attachment interface, wherein a plurality of electrical contacts are located at the attachment point to facilitate electrical communication between the flight controller and the one of a plurality of lift generation modules (200, 200a, 200b, 200c), wherein the power unit, the flight controller, and the communications system (120, 508) are positioned in an airframe to define the fuselage module, wherein the attachment interface is coupled to the airframe and is configured to couple structurally with a second attachment interface of the one of a plurality of lift generation modules (200, 200a, 200b, 200c) via one or more retention devices, characterized in that either: the fuselage module is configured to slidably engage with the one of a plurality of lift generation modules (200, 200a, 200b, 200c) such that the location at which the one of a plurality of lift generation modules (200, 200a, 200b, 200c) is positioned on the fuselage module is selectable; or the attachment interface includes a plurality of distributed retention devices, wherein the plurality of distributed retention devices are distributed along the length of the fuselage module to provide an operator with a plurality of options when selecting the attachment point of the aerial vehicle fuselage. wherein the aerial vehicle fuselage is configured to removably couple with one of a plurality of lift generation modules (200, 200a, 200b, 200c) at an attachment point of the aerial vehicle fuselage via an attachment interface, wherein a plurality of electrical contacts are located at the attachment point to facilitate electrical communication between the flight controller and the one of a plurality of lift generation modules (200, 200a, 200b, 200c), wherein the power unit, the flight controller, and the communications system (120, 508) are positioned in an airframe to define the fuselage module, wherein the attachment interface is coupled to the airframe and is configured to couple structurally with a second attachment interface of the one of a plurality of lift generation modules (200, 200a, 200b, 200c) via one or more retention devices, characterized in that either: the fuselage module is configured to slidably engage with the one of a plurality of lift generation modules (200, 200a, 200b, 200c) such that the location at which the one of a plurality of lift generation modules (200, 200a, 200b, 200c) is positioned on the fuselage module is selectable; or the attachment interface includes a plurality of distributed retention devices, wherein the plurality of distributed retention devices are distributed along the length of the fuselage module to provide an operator with a plurality of options when selecting the attachment point of the aerial vehicle fuselage.