Expressionless launched on February 18, 2023 at 11:40 am pst (local time). The 7 ft long, 3" diameter and 30 lbs sub-scale rocket successfully tested Evolution Space's proprietary solid propulsion and flight systems.

 

Expressionless reached apogee at 14.6 km (48,000 ft) with a max velocity of Mach 2.92. The success of this launch cleared the way for the large scale test, Gold Chain Cowboy.