Perseus Defense Harpe Missile System rocket is test fired during a 1st Cavalry Division led exercise

A Perseus Defense Harpe Missile System rocket is test fired during a 1st Cavalry Division led exercise of Golden Shield on Fort Hood, Texas, April 7, 2026. This event is the experimentation and testing phase of Project Golden Shield, where capability providers are testing out new counter-UAS technologies in a field environment for the first time, with the goal of improving their systems with feedback from the Troopers and Soldiers that would be implementing them on the modern battlefield. (Army photo by Spc. Julian Winston)