EWS OD-1

Minotaur IV, Northrop Grumman Space Systems

Space Launch Complex 8, Vandenberg SFB, CA, USA

Launch time

No earlier than

NET first half of 2027

Year Half 1 precision To be determined

Current date is a placeholder or rough estimation based on unreliable or interpreted sources.

How to read launch times

How sure is this date?

The source gives year half 1 precision. Launch plans can change.

Source updated Wed 3 Jun, 23:14 CEST

Updated 11 Oct, 00:22 CEST

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Slip history

No changes since we started tracking on Sat 10 Oct 2026, 11:02 UTC.

Wed 3 Jun 2026, 21:14 UTCLL2 update
NET H1 2027.
Read the source update
Sun 14 Sept 2025, 15:54 UTCLL2 update
NET Q2-Q3 2026.
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Fri 12 Jan 2024, 11:24 UTCLL2 update
Added launch.
Read the source update

Mission

EWS OD-1 on Minotaur IV from Space Launch Complex 8. Launch time, status and recorded date changes from Launch Library 2.

The Electro-Optical/Infrared Weather System (EWS) Operational Demonstration-1 (OD-1) is a weather satellite for the United States Space Force. It is a prototype satellite made by General Atomics that will be place in LEO for a three-year demonstration mission of new EO/IR sensor technologies to various US military branches, and to act as a stop-gap for Defense Department needs for weather data.

Mission type: Earth Science
Orbit: Sun-Synchronous Orbit

Minotaur IV launching — Credit: USAF · Public domain (US Department of Defense) · The appearance of U.S. Department of War (DoW) visual information does not imply or constitute DoW endorsement.

Launch timeline

No timeline has been provided by the source.

Launch pad

Space Launch Complex 8

Vandenberg SFB, CA, USA (US)

Coordinates: 34.57635, -120.63245

View launch pad on a map