STP-S29A is a mission under the U.S. Department of Defense's Space Test Program (STP) that will deliver technology demonstrations to orbit and contribute to future space system development, with this launch delivering up to 200 kg of STP cubesats to Low Earth Orbit. The main payload will be STPSat-7, an ESPA class satellite based on the Aegis Aerospace M-1 satellite bus used on the STPSat-4 mission for hosting research and technology demonstration payloads for the Department of Defense (DoD). One of the payload is U.S. Naval Research Laboratory's (NRL) Lightsheet Anomaly Resolution and Debris Observation (LARADO) instrument, used to detect and characterize lethal non-trackable orbital debris with lasers in orbit. April 7, 2026 at 11:33 UTC · Launch Successful Minotaur IV — Northrop Grumman Space Systems, to Low Earth Orbit Space Launch Complex 8, Vandenberg SFB, CA, USA The world's 7252nd orbital launch attempt, and 79th of 2026. https://www.youtube.com/watch?v=H0w8xeX2tAE Data: Launch Library 2, The Space Devs. Image by USAF (Department of Defense Image Use Policy) via The Space Devs.