January 17th - on this day in 1997, a McDonnell Douglas-built Delta II 7925 exploded 13 seconds after liftoff from Space Launch Complex 17A at Cape Canaveral Air Force Station in Florida. One of the nine GEM 40 solid rocket boosters assisting the first stage upon ascent had suffered a catastrophic failure. The mission was to carry the first Block IIR GPS satellite, GPS IIR-1, to Medium Earth Orbit. | NASASpaceflight.com

What to expect after the ULA #DeltaII rockets lifts off with NASA’s #ICESat2 mission on Saturday, Sept. 15. The launch window opens at 5:46 a.m. PDT, and this final Delta II launch will blast off from Space Launch Complex-2 at Vandenberg Air Force Base. NASA's Launch Services Program | United Launch Alliance

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