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Pacific Ocean
Nation / Place

Pacific Ocean

World's largest ocean; designated splashdown and recovery zone for Artemis II.

Last refreshed: 9 April 2026 · Appears in 1 active topic

Key Question

Where exactly does Orion land when it returns from the Moon?

Common Questions
Why does Artemis II splash down in the Pacific Ocean?
The Pacific off San Diego gives helicopter range from NAS North Island and naval access from San Diego — the same infrastructure used since Apollo. Predictable swell patterns and US military presence make it the lowest-risk recovery zone.Source: Recovery Fleet in Position off San Diego
When does Orion land in the ocean for Artemis II?
Splashdown is confirmed for 10 April 2026 at approximately 8:07 PM EDT, 50-80 miles off San Diego.Source: Heat Shield Faces Its Crewed Test
How does NASA recover the astronauts after splashdown?
USS John P. Murtha leads the recovery fleet with Navy helicopter crews from NAS North Island. Helicopters extract the crew directly from Orion, which floats upright via airbags.Source: Recovery Fleet in Position off San Diego

Background

The Pacific Ocean is the designated splashdown zone for Orion's return from the Artemis II lunar flyby, with the recovery area located 50-80 miles off San Diego, California. USS John P. Murtha departed Naval Base San Diego on 7 April to position for retrieval, with a helicopter squadron from NAS North Island tasked to track and extract the crew after water impact on 10 April 2026. The capsule will enter the atmosphere at roughly 11 km/s and undergo intense heat shield loading before parachuting to the surface — the crewed test of the redesigned Artemis heat shield trajectory.

The Pacific has served as the recovery zone for US crewed spacecraft since the Mercury and Apollo programmes, chosen for its accessibility from California bases and its predictable mid-ocean swell patterns. Orion uses a lofted return trajectory rather than the skip return flown on Artemis I, a design change driven by uneven ablation found on the Artemis I heat shield. The Pacific splashdown site sits within helicopter range of San Diego, enabling rapid crew extraction and medical assessment after nine days in microgravity.

Beyond the immediate recovery operation, the Pacific's strategic importance is underscored by the Iran conflict's draw on US military assets: Marines from the 31st Marine Expeditionary Unit were redeployed from Japan to the Middle East, thinning Pacific Command force posture at exactly the moment a major public space mission returns to the region. The recovery operation itself requires dedicated naval assets that operate in the same ocean where Chinese and Russian naval activity is routinely monitored.