+ Text Only Site + Site Help & Preferences
	+ Home Mercury is the least-explored of the terrestrial planets. It has been visited only by Mariner 10, which flew by the planet three times in 1974 and 1975. + More NASA Facts...		+ NASA Home > Mission Sections > MESSENGER > Go for Launch       MESSENGER Mission The MESSENGER spacecraft successfully launches from Cape Canaveral Air Force Station. Image credit: NASA LAUNCH STATUS: Launch Date: Tuesday, August 3, 2004 Launch Time: 2:15:56.537 a.m. EDT Location: Cape Canaveral Air Force Station, Fla. + View archived launch countdown coverage MISSION UPDATE: The MESSENGER spacecraft lifted off on-time aboard a Boeing Delta II rocket from pad 17-B at Cape Canaveral Air Force Station, Fla., at 2:15:56 a.m. EDT. MESSENGER has successfully begun its mission to unravel the mysteries of planet Mercury. For additional information refer to our Launch Pad, Processing and Firing Room pages.           Launch is Flawless! MESSENGER is successfully launched on its journey to Mercury. + View this Video + View Text Page     MESSENGER Revealed Join James Leary and other Mission specialists for this exciting webcast. + View this Video + View Transcript     MESSENGER's Science Dr. Ralph McNutt answers your questions about the MESSENGER Mission. + View this Video + View Transcript
	+ Back to Top
	+ Freedom of Information Act + Budgets, Strategic Plans and Accountability Reports + The President's Management Agenda + Privacy Policy and Important Notices + Inspector General Hotline + Equal Employment Opportunity Data Posted Pursuant to the No Fear Act + Information-Dissemination Priorities and Inventories + USA.gov + ExpectMore.gov Editor: Katy Boone NASA Official: Brian Dunbar Last Updated: February 11, 2009 + Contact NASA + SiteMap