An interesting concept of a new aircraft to be built by United Kingdom that may have some interesting military applications. SKYLON is an unpiloted, reusable .br An interesting concept of a new aircraft to be built by United Kingdom that may have some interesting military applications. SKYLON is an unpiloted, reusable .br br The Boeing P-8 Poseidon (formerly the Multimission Maritime Aircraft or MMA) is a military aircraft developed for the United States Navy (USN). The aircraft has .