The ethos of preparation as the basis for bold action has become embedded in the US Navy as an operational force. From my earliest days at sea, I have heard captains say variations of the old military axiom that ‘tactics are for amateurs, logistics are for professionals.’Admiral James Stavridis, USN (Ret.)The Author of this QuoteAuthorAdmiral James Stavridis, USN (Ret.)Admiral James Stavridis is a retired four-star U.S. naval officer. He is currently Vice Chair, Global Affairs and Managing Director of the global investment firm The Carlyle Group.