moddified the Dragonfly with smoke pannel in cockpit and a smoke machine on the back. Wont explode and lasts infinitely. INSRUCTIONS switch the smoke arm on (cycle targeting mode to air to ground) press smoke on (the more ypu press the thicker the smoke trail once done flick red switch (activates 5) to stop smoke, but be warned this will jetisson it and you cant get it back unless you reset. full credit to original builders for both the airframe and the smoke generator.