US Air Force unveils hand-held laser gun By Michael Sirak JDW Staff Reporter Washington, DC The US Air Force has unveiled its first hand-held laser weapon that gives security forces a non-lethal option for controlling crowds and protecting areas like checkpoints, according to service officials. While only in prototype form and years away from fielding, the weapon, known as the Personnel Halting and Stimulation Response (PHaSR) system, holds great promise, they said. The PHaSR is about the same size and weight of a fully loaded M60 machine gun - around 9 kg - but shoots a low-power beam of laser...