With the support of the Defense Department's senior leadership, the Navy is in "phase zero" of implementing a new aircraft sustainment system that will eventually be rolled out across its fleet readiness centers and maintenance depots, according to the service's top aviation officer. "We’re implementing a new system called the Navy Sustainment System," Vice Adm. Dewolfe Miller, commander of naval air forces, said at a Washington think tank today. "We’re in phase zero of instantiating the Navy Sustainment System right...