Here is a man from Georgia, in 1994 creating a goal of Mission Zero: to run his global manufacturing company with zero impact on the environment by the year 2020.

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Anderson called that Mission zero.

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Following the Sept. 11, 2001 terrorist attacks, Savidge reported from Ground Zero on the search and rescue mission.

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The acronym stands for Mission Oriented Protective Posture, with levels of zero through four.

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His mission: to create the world's first zero-emission, hydrogen-based economy--and to pull it off through no-nonsense business principles, not tree-hugging wishful thinking.

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Now Major Peake, as he waits to be assigned a space mission, is in an ongoing programme of spacesuit training, zero-g flights to "practice weightlessness" and 12-day stints 20m (65ft) under water to research "crew behaviour for long-duration missions".

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