At least they conduct live-fires either in cordoned-off sea ranges and areas such as White Sands missile range. Or course, there's the accidental launches... but they're the exception. EDIT: If you're referring to the Air Force and CIA operating drones in the middle east, then the navy isn't far behind. X-47b, FTW!! ... And, yes. The SLBM proving launches are announced. Why else would the Chinese send out their spy vessels to collect 'telemetry data' when possible.