Question:  Charles "Pete" Conrad Jr., an American astronaut, set an eight-day space endurance record along with his Command Pilot Gordon Cooper, one of the seven original astronauts in the first manned space program of the United States called what?
Sentence (from "Soyuz 9"): The two-man crew of Andrian Nikolayev and Vitali Sevastyanov broke the five-year-old space endurance record held by Gemini 7, with their nearly 18-day flight.
Relevant evidence: No