Nacelle was part of Starscream's science group, HEDRA, working alongside Bitstream and Hotlink. As an Aerodynamics Engineer, he was assigned as the role of lab assistant to Shockwave where he engineered the wing designs used for the second wave of Earth-bound Seekers. He would eventually integrate one of these prototypes into his own body replacing his standard issue wings with a design containing high powered turbines. Nacelle's profile card