What aspects of NASA practice revealed following the Columbia disaster

suggest that the changes that were recommended following the Challenger

disaster were not sustained? $(5$ Marks$)$

$2.$ We have discussed actions that organizations can take to sustain change. In

your judgement, which of the following would have been most useful to

NASA after the Challenger disaster? Explain why your choice$($s$)$ would be

beneficial to NASA. $(5$ Marks$)$

$$ Redesign roles

$$ Redesign reward systems

$$ Link selection to organizational objectives

$$ Walk the talk

$$ Encourage voluntary acts of initiative

$$ Measure progress

$$ Celebrate en route

$$ Fine$-$tuning

$3.$ We discussed some pitfalls that organizations should try to avoid. Which of

the following do you see as most applicable to NASA? Explain why your

choice$($s$)$ are relevant for this particular situation. $(5$ Marks$)$