Range extension device

A reversible base bleed device, capable in use of being reversibly engaged to a body of an artillery shell, said base bleed device comprising:

• at least one energetic material charge;
• an igniter;
• a first end with an aperture;
• and
• a second end that is closed;
• wherein the base bleed device in an active orientation has the aperture facing rearwardly away from the shell to allow the base bleed to function, and wherein the base bleed device in an inert orientation has the aperture facing inwardly towards the shell to provide a boat tail.

A reversible range extension device, capable in use, of being reversibly engaged to a body of an artillery shell, said range extension device comprising:

• at least one energetic material;
• an igniter;
• a first end with an aperture;
• and
• a second end that is shaped as a boat tail;
• wherein the range extension device, in use, is selectively arranged to be in an active orientation or inert orientation, and
• wherein in the active orientation the range extension device is arranged such that the aperture faces rearwardly away from the shell to allow the range extension device to function, and in the inert orientation the range extension device is arranged such that the aperture faces inwardly towards the shell.