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Launch SuccessfulUnited States Air Force

Delta II: Messenger

MESSENGER was a NASA robotic space probe that orbited the planet Mercury between 2011 and 2015, studying Mercury's chemical composition, geology, and magnetic field. The name is a backronym for "MErcury Surface, Space ENvironment, GEochemistry, and Ranging", and a reference to the messenger god Mercury from Roman mythology.

Tuesday, 3 August 2004
Delta II: Messenger

Mission Data

United States Air Force
🇺🇸United States Air ForceEst. 1947
Launch VehicleDelta II 7925H-9.5
Vehicle FamilyDelta
Vehicle Record3 of 3 launches (100%)
Provider TypeGovernment
Agency Record972 successes / 106 failures (90%)
Success Streak68 consecutive
ProgramDiscovery Program · Exploration
Mission TypePlanetary Science
Target OrbitLow Earth Orbit
Launch PadSpace Launch Complex 17B
Location🇺🇸 Cape Canaveral SFS, FL, USA USA
Orbital Launches This Year#30
Agency Launches This Year#6
Launches From This Pad132
Launches From This Site1,132
Status Note

The launch vehicle successfully inserted its payload(s) into the target orbit(s).

About Delta II 7925H-9.5

Delta II is an American space launch system developed by McDonnell Douglas, now part of the Delta rocket family operated by United Launch Alliance. With more than 150 missions and a nearly perfect track record, Delta II has established itself as one of the most successful orbital launch systems.

Launch Site

Space Launch Complex 17B · 28.4458°N 80.5657°W

Launch data from Launch Library 2 by The Space Devs.