Drone operable for flight

A drone operable for flight, the drone comprising:

• a fuselage having a length (L) extending along an x-axis, the fuselage comprising a port side fuselage section spaced apart from a starboard side fuselage section to define a slot therebetween which extends along the length (L) of the fuselage;
• and
• a cannon having a barrel and being pivotably mounted in the slot to the port side fuselage section, and/or pivotably mounted to the starboard side fuselage section, by a trunnion mounting assembly having a trunnion axis which extends at right angles to the x-axis, such that the barrel is operable to pivot about the trunnion axis to move over, and/or be positioned at, a range of angles relative to the x-axis direction, wherein the barrel has a barrel axis, the barrel axis intersects with the trunnion axis, the cannon has a calibre in the range of 12.7 mm to 40 mm, and the trunnion mounting assembly comprises a trunnion which extends along the trunnion axis from the port side fuselage section and/or the starboard side fuselage section, or extends along the trunnion axis from the cannon.