It's really a top-secret collaboration between NASA and the Martians, and was "lost" as part of the government conspiracy.
(JMC)
The extension cord wasn't long enough; the electrician thought the probe was only going to the moon.
(jdaii, Bob Clemmons)
NASA engineer "borrowed" the batteries to put in his kid's talking Furby.
(kyl)
NASA lost the small, crumpled up piece of paper with the activation password on it.
(Tressea)
The Lander's computer discovered it has FreeCell and Solitaire.
(Woofie)
In order to keep costs low, they had Gilligan make the radio out of a coconut.
(sexychick)
After an extensive investigation, NASA engineers found the Mars lander craft in the break room. It seems they launched the microwave into space by accident.
(JDAii)
The lesser-known philosophical argument: If a multi-million dollar spacecraft recklessly slams into an alien mountainside at 1,800 miles per hour, does anyone hear it?
(Fluff)
Shouldn'ta used that off-brand duct tape.
(Impulse Shopper)
Metric flight coordinates accidentally converted into Roman numerals.
(kyl)Scott Atwood and Christian Shelton (hereafter the authors) retain full copyright of all material on this and all other pages of "Christian's & Scott's Interactive Top Ten List." The authors grant to all other parties the sole right to create a link to this page. However, the authors reserve all other rights. No material from these pages may be copied without the express consent of one of the authors.