
Dominique Ciccolella
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![[Gemini III] THE SPACE TWINS: Gus Grissom and John Young Preparing for America's First Two-Man Space Mission (diptych) NASA, 1964-1965 image 1](/_next/image.jpg?url=https%3A%2F%2Fimg1.bonhams.com%2Fimage%3Fsrc%3DImages%2Flive%2F2025-03%2F24%2F25639331-42-1.jpg&w=2400&q=75)
![[Gemini III] THE SPACE TWINS: Gus Grissom and John Young Preparing for America's First Two-Man Space Mission (diptych) NASA, 1964-1965 image 2](/_next/image.jpg?url=https%3A%2F%2Fimg1.bonhams.com%2Fimage%3Fsrc%3DImages%2Flive%2F2025-03%2F24%2F25639331-42-5.jpg&w=2400&q=75)
![[Gemini III] THE SPACE TWINS: Gus Grissom and John Young Preparing for America's First Two-Man Space Mission (diptych) NASA, 1964-1965 image 3](/_next/image.jpg?url=https%3A%2F%2Fimg1.bonhams.com%2Fimage%3Fsrc%3DImages%2Flive%2F2025-03%2F24%2F25639331-42-4.jpg&w=2400&q=75)
![[Gemini III] THE SPACE TWINS: Gus Grissom and John Young Preparing for America's First Two-Man Space Mission (diptych) NASA, 1964-1965 image 4](/_next/image.jpg?url=https%3A%2F%2Fimg1.bonhams.com%2Fimage%3Fsrc%3DImages%2Flive%2F2025-03%2F24%2F25639331-42-3.jpg&w=2400&q=75)
![[Gemini III] THE SPACE TWINS: Gus Grissom and John Young Preparing for America's First Two-Man Space Mission (diptych) NASA, 1964-1965 image 5](/_next/image.jpg?url=https%3A%2F%2Fimg1.bonhams.com%2Fimage%3Fsrc%3DImages%2Flive%2F2025-03%2F24%2F25639331-42-2.jpg&w=2400&q=75)
€500 - €700
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Gemini III, piloted by Virgil "Gus" Grissom and John Young, was the program's first crewed mission. Over 4 hours and 52 minutes, the spacecraft orbited Earth three times, successfully demonstrating orbital manoeuvres using onboard thrusters. Key objectives of the mission included evaluating the two-man spacecraft design, the worldwide tracking network, the Orbit Attitude and Manoeuvring System (OAMS), and the control of re-entry and landing systems. Although the spacecraft landed 111 kilometres off target, the mission validated Gemini's systems, laying the groundwork for future missions involving rendezvous and docking.