SLS cubesats
A NASA image shows 9 of the 13 cubesats originally planned to fly on the Artemis 1 mission installed in their payload adapters. At least one cubesat will not be ready in time for the mission.

While most of the cubesats manifested to launch as secondary payloads on the first Space Launch System mission have arrived, at least one of them will miss its flight.

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Jeff Foust has more than a decade of experience writing about space policy, entrepreneurial ventures and regulatory affairs. In 2001, he established spacetoday.net to aggregate and summarize the day's space-related news stories. In 2003, he started The...