United Launch Alliance (ULA) on Saturday (Sept. 15) announced the upcoming display in the hour after the 155th and final Delta II mission leapt off Space Launch Complex-2 at Vandenberg Air Force Base in California carrying NASA's ICESat-2 satellite into orbit. Ordnance for the motor ignition and separation systems is …

Tomorrow morning, a nearly 30-year-old rocket will take its final ride to space.

The Delta II 792X vehicle configuration includes nine Orbital ATK solid rocket GEMs to augment first-stage performance. Six GEMs are ignited at liftoff; the remaining three GEMs, with extended nozzles, are ignited in flight after burnout of the first six. NASA’s Mercury, Gemini and Apollo programs are represented by this garden of giants, not just as engineering feats of technology, but also as tribute to the scientists and engineers who turned dreams of spaceflight into reality. The rocket garden at NASA's Florida spaceport will soon sprout a new launch vehicle — the newly-retired Delta II.

A Mercury-Redstone 3 rocket launched the aspirations of an entire country in 1961, when Alan Shepard completed the first U.S. human space flight.