Mission failure is the smell of a vodka truck hitting a tree.
Some of the downsides were physical danger, mission-failure and large-scale bureaucratic fights.
Mr Obama's decision this week does not condemn the mission to failure.
It was the first such mission since the failure of the Mars 96 probe, which also failed to reach Mars after a launch failure.
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Even though the mission ended in failure, with Norwegian explorer Roald Amundsen beating Scott's party to the pole by five weeks, Mr Sharpe said it was still one of the biggest scientific success stories of the 20th Century.
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After weeks of fruitless attempts to raise the lander by radio, JPL mission controllers appeared resigned to their second major failure on a Mars mission in three months, following the September loss of the Mars Climate Observer.
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We discussed that question with Melissa Ede, who describes herself as a transgender woman, and has signed up as a contender to be selected for the Mars One mission - "failure isn't in my vocabulary", she told us before the webcast.
But the failure of that mission illustrates how hard it may be to resolve some of the hostage situations.
In August, a Soyuz failure on a mission to resupply the space station led to a six-week suspension of flights.
But the psychologist said he believes Malvo took the blame because he blamed himself "for the failure of the mission" when they were captured.
In August, a Soyuz failure on an unmanned mission to resupply the space station led to a six-week suspension of flights.
Nasa scientists will be hugely disappointed by this latest failure as a successful mission would have given them the first ever close-up images of the mysterious lunar surface.
But confusion is the one unacceptable result of any communications strategy as it bespeaks a failure to articulate the value and mission of the company at the most fundamental level.
And the single biggest reason why so many companies eventually lose that essential spark of innovative passion as they grow is a failure to institutionalize--through mission, culture and methodology--these critical ingredients.
Long before he became dean, Mr Nohria lamented the failure of business schools to fulfil their mission of turning management into a profession similar to law or medicine.
Damien Duff's unfortunate own goal - deflecting in Gareth Barry's 20-yard shot seven minutes before the interval - ensured Alan Shearer's mission to save Newcastle from relegation ended in devastating failure.
Some of the largest life insurers, seeing the trend, are concerned about a failure to meet what some consider the industry's social mission to ensure that families have life coverage.
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While foreign minister, for instance, he once mounted a unilateral mission to rescue a French hostage from the jungle in Colombia, which ended in failure and fiasco.
Given its total failure to promote U.S. interests through public diplomacy, and the incompatibility of the mission with the culture of the foreign service, the State Department is the last place to be in charge of such an operation.
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