“Apollo 4: Early morning view of the Saturn V on the launch pad.” NASA photo (November, 1967).

            Apollo 4, also known as Apollo-Saturn 501 (AS-501), was a pivotal mission in NASA's Apollo program. Launched on November 9, 1967, it was the first unmanned test flight of the mighty Saturn V launch vehicle, which would eventually carry humans to the Moon. This mission was primarily a test flight to verify the structural integrity and compatibility of the launch vehicle with the spacecraft. It also aimed to test the heat shield and thermal seal integrity, reentry operations, and various subsystems. The mission carried an Apollo Command and Service Module (CSM) into Earth orbit, marking the first time all three stages of the Saturn V were tested together. 

The mission was a resounding success, achieving all its objectives. After reaching Earth orbit, the third stage of the Saturn V was reignited for a simulated translunar injection burn, propelling the spacecraft into a high-apogee Earth-intersecting trajectory. The Service Propulsion System (SPS) was later fired to accelerate the CSM to velocities beyond lunar return trajectory, followed by the separation of the Command Module (CM) for reentry. The CM successfully reentered the Earth's atmosphere and landed near Hawaii, just 16 km from the targeted landing point. This successful test paved the way for the subsequent manned Apollo missions, culminating in the historic Apollo 11 Moon landing. 

[Sources: NASA and Wikipedia]

Taken in: United States / Virginia / Washington Forest (show map)

Taken on: May 9, 2024

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Sets appears in: • Aviation & Space Art • NASA

Groups appears in: • Space Exploration • Rocket more » • NASA • Kennedy Space Center • Real Rockets (no models please) • Missiles & Rockets « less

Camera: Apple iPhone 14 Pro, f/2.8, 1/40 sec, 9mm, ISO 800 (more info) (hide info)

Camera:	Apple iPhone 14 Pro
Lens:	iPhone 14 Pro back triple camera 9mm f/2.8
Aperture:	f/2.8
Exposure Time:	0.025 sec (1/40)
Focal Length:	9mm
ISO:	800
Exposure Bias:	0 EV
Flash:	Off, Did not fire
Exposure Program:	Program AE
Exposure Mode:	Auto
Metering Mode:	Multi-segment
White Balance:	Auto
Color Space:	sRGB
Software:	Adobe Photoshop Express Windows 10 (Windows)
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