Gen. Peter Pace, the chairman of the Joint Chiefs of Staff, has called on the Army, Navy, Air Force and Marines to offer combatant commands more opportunities in service-sponsored experimentation, according to a memorandum he signed last month. Moreover, the nation's top uniformed officer encourages combatant commands to "conduct joint experiments and increase participation in other JE undertakings," the Jan. 9 document states. The memo outlines Pace's fiscal years 2006 and 2007 guidance to the services, Joint Staff, defense agencies...