U.S. Northern Command chief Gen. Victor Renuart this month inked a document seen as a blueprint for a series of new efforts aimed at improving the military's ability to defend the homeland and respond to domestic crises, defense officials said. Renuart's March 11 signature on the classified capabilities-based assessment for the areas of homeland defense and civil support follows an endorsement of the document by a key Joint Staff panel last month. The Functional Capabilities Board, which oversees the development...