In an interview, General George W Casey, Jr, chief of staff of the US Army, talked about the risks and challenges of the Army's modernization strategy. He said that like any organization, the Army has to continue to look into the future and adapt. Because it takes so long to get an organization of 1.1 million people to adapt, it's necessary to move forward now. What they were trying to do was to build a versatile organization that can do a range of different things. His single greatest leadership challenge was when he was in Iraq trying to help organize and develop three Iraqi governments in a two-year period. The takeaway lesson for him was to appreciate that there are many different ways to skin the cat. As a leader you have to step up, build conviction about the right way to deal with it and then go forward.