I was very young. I thought I knew a lot and I really didn't. I trusted the wrong people.
That's driven by any number of factors, the most prominent of which have been the combat experience of two major campaigns - one in Afghanistan and the other in Iraq - and the ongoing demands of the global war on terrorism.
There's a mindset of flexibility and adaptability that comes with us. We don't mind hardship. We don't mind somebody saying, 'Go in and do this nasty job.' Whatever the job is, we can do it. That's why the nation has a Marine Corps.