Name: USA 178 (GPS IIR-12) — launch
Start: 2004-06-23
Location: Cape Canaveral Air Station, Florida

Launch code: OS. Source references: spaceflightnow.com; -.

Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)

2004-03-20 USA 177 (GPS IIR-11) — launch Shares a spacecraft, person or other linked entity
2004-11-06 USA 180 (GPS IIR-13) — launch Shares a spacecraft, person or other linked entity
2003-01-29 USA 166 (GPS IIR-8) — launch Shares a spacecraft, person or other linked entity
2004-04-20 GP-B — launch Same organization: Boeing Launch Services (?)
2004-07-15 Aura — launch Same organization: Boeing Launch Services (?)
2004-08-03 Messenger — launch Same organization: Boeing Launch Services (?)