Lockheed isn't the only one hoping to make a hypersonic spy aircraft. Boeing has provided early details on its own design for a hypersonic tech demonstrator that would lead to a spiritual successor to the SR-71 Blackbird. In some ways, it's a logical...
Boeing shows its vision for a hypersonic spy aircraft
Lockheed isn't the only one hoping to make a hypersonic spy aircraft. Boeing has provided early details on its own design for a hypersonic tech demonstrator that would lead to a spiritual successor to the SR-71 Blackbird. In some ways, it's a logical...