A fascinating report in the Wall Street Journal based on accounts from multiple current and former U.S. officials describes the R9X variant, covertly deployed against targets in Syria and Yemen ...

With six knives that eject from its nose, the Hellfire R9X was designed to minimize casualties ... in Baghdad drew attention to the mysterious munition. Illustration: Mia Hariz WSJ examines ...

The R9X is a variant on the Hellfire anti-tank ... falls in line with the American military's push to use smaller munitions to kill targets, made apparent during the recent air campaigns against ...