The Bush Boss FD-3 is a flamethrower used by the RDA SecOps troopers for clearing flora and terrorizing Na'vi warriors. It has a short range, but its ability to rapidly set fire to grass and keep the Na'vi at bay during a battle creates a substantial advantage. They are made from laminated carbon, using a nanotube-reinforced polymer. The entire body of the weapon is used as storage for the fuel and propellant, removing the need for auxillary fuel tanks. Due to the incredibly tough outer layer, the weapon is bulletproof and shatterproof. A newer model referred to as "BUDDY" is also in use by the RDA, and gives the same firepower but with slight aesthetic modifications.
The FD-3 has a variant known as the Bush Boss FD-11, designed for use on AMP suits. It is aesthetically similar to the FD-3, but considerably upscaled to accommodate the AMP suit. The weapon is 1.82 meters long and has a dry weight of 90.7 kilograms. The FD-11 was specifically used in the deforestation process for Hell's Gate.