Minotaur IV STP-S26 was an individual Minotaur IV flight article launched on 2010-11-20. It carried STPSat-2, FASTSAT, FASTRAC-A/B, FalconSat-5, O/OREOS, RAX, and NanoSail-D2 for U.S. Department of Defense Space Test Program. Complete success; an optional HAPS stage demonstrated deployment to a secondary orbit.