Question: The Lockheed A-12 was a reconnaissance aircraft built for which United States organization, by Skunk Works, an official pseudonym for Lockheed Martin's Advanced Development Programs (ADP), formerly called Lockheed Advanced Development Projects?
Sentence (from "Skunk Works"): It is responsible for a number of famous aircraft designs, including the U-2, the Lockheed SR-71 Blackbird, the Lockheed F-117 Nighthawk, Lockheed Martin F-22 Raptor, and the Lockheed Martin F-35 Lightning II, which will be used in the air forces of several countries.
Relevant evidence: No