WELLINGTON, New Zealand — New Zealand has released three defense and national security documents outlining prevailing challenges, principals for its military and ways to improve the force. Defence Minister Andrew Little on Aug. 4 presented to lawmakers a 36-page “ Defence Policy and Strategy Statement, ” a 12-page “ Future Force Design Principles ” document and an inaugural 44-page “ National Security Strategy .” “A year ago we commissioned the Defence Policy Review, to provide a roadmap for