Super Strypi Rocket Failure: US Air Force's Rail-Launched Mission Carrying 13 Satellites Lost on Nov. 4, 2015

Space.com · 2026-11-04
Super Strypi Rocket Failure: US Air Force's Rail-Launched Mission Carrying 13 Satellites Lost on Nov. 4, 2015

On November 4, 2015, the U.S. Air Force's experimental Super Strypi rocket failed shortly after liftoff from the Pacific Missile Range Facility in Hawaii, resulting in the loss of 13 small satellites. The rail-launched rocket, designed to provide low-cost access to space for tiny payloads, veered off course and broke apart about a minute into its debut flight. The mission, known as ORS-4, was intended to demonstrate a new, inexpensive launch method for the military and academic researchers. The failure was a setback for the Operationally Responsive Space program, which aims to rapidly deploy small satellites for defense and scientific purposes. While no injuries or damage on the ground were reported, the incident highlighted the challenges of developing low-cost launch systems. The Air Force and its partners later investigated the cause, but the exact reason for the malfunction was not publicly detailed. This event underscores the inherent risks of spaceflight and the ongoing need for reliable, affordable access to orbit for small satellite operators.