Photo: Joel Kowsky · Public domain (US government)

Atlas V 401 | CLIO (USA-257)

Success ULA, Atlas V 401

Or open it on YouTube

Mission

Government/Top Secret · GTO

CLIO is a secret satellite procured by an unidentified US Government Agency from Lockheed Martin. The satellite is likely based on a commercial A2100A bus. Purpose and mission is not known.

Where to watch

Replay Launch webcast

Remind me

Before liftoff
Also notify me of

If the launch moves, your reminders move with it, and at the time of your first reminder we tell you the new date.