Rafael's Spike Firefly loitering munition is now called L-Spike 1x, and can fly out to 5 km range. (Janes/Daniel Wasserbly) Rafael has updated and renamed its Spike Firefly loitering munition, increasing range and redesignating the weapon as L-Spike 1x, the company revealed at the Association of the United States Army (AUSA) annual symposium in Washington, DC.