FARNBOROUGH, ENGLAND -- One of the biggest near-term challenges facing the tri-service Joint Strike Fighter program is ensuring a smooth transition from the development phase into production, according to military and civilian officials working on the project. The transition process is expected to be a key factor in keeping the cost of fighters as low as possible, they add. Or, as described today by JSF program executive officer Rear Adm. Steven Enewold, the process will be a "high-leverage point in...