Welcome, Spirit

While Phoenix is still unrensponsive, news is that Mars’s Spirit is still alive and kicking, even if the dust problem covering the solar cell is still big.

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Self-destruction Panel

Shuttle Self destruction Panel

an officer manned these vehicle destruction switches in case the shuttle crossed the no-fly lines”

If something happens when it’s just off the pad, there’s only a couple of seconds [to react],” says Bryan O’Connor, a former shuttle commander and NASA’s chief of safety and mission assurance.”