
Orbital ATK [OA] is designing a third stage to be integrated on United Launch Alliance’s [ULA] Delta IV Heavy rocket for a future NASA mission to study the sun’s atmosphere.The companies announced a teaming agreement April 3.Orbital ATK’s third stage will combine its STARTM 48BV rocket motor with avionics, inertial navigation, attitude control and separation systems used in on the company’s Pegasus, Minotaur, and Minotaur-C launch vehicles. The STAR 48 series has been employed in 130 missions since the first motor was introduced…