Proving yourself in a field where the casualty rate is so notoriously high is an ongoing challenge.

It was extremely, extremely dangerous. The casualty rate was very high.

I like going to areas where the murder rate is high and dropping it.

You have to look at the discrepancy between what you hoped and imagined and the reality of yourself and all your shortcomings.

I am looking forward to the challenge of swimming against him.

A job like that is a huge challenge and as a passionate Kiwi it's hard to say no to a challenge,