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Delta II

Delta II was an American expendable launch vehicle introduced for GPS deployment and subsequently used for Earth science, astronomy, commercial constellations, and numerous interplanetary missions. Its 155 flights from February 1989 through September 2018 comprised 11 core propulsion and stage configurations and ended with 100 consecutive successful missions.

Delta II
NASA / Tony Gray · NASA/KSC asset; NASA’s KSC-07PD-2590 catalog identifies the exact Delta II/Dawn launch and credits the photograph to NASA / Tony Gray. NASA’s current Images and Media Usage Guidelines generally permit factual or informational/editorial use with NASA attribution and without implying NASA endorsement. NASA insignia, launch-provider or other third-party marks, identifiable-person rights, and any commercial, promotional, merchandise, or protected-rights use remain separately restricted or clearance-sensitive; verify before such use. · Source
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Identity

Aliases
Delta 2Delta II launch vehicle
Family Name
Delta II
Full Name
Delta II
Status
retired
Type
rocket
Variant Name
II

Details

Description
Delta II was an American expendable launch vehicle introduced for GPS deployment and subsequently used for Earth science, astronomy, commercial constellations, and numerous interplanetary missions. Its 155 flights from February 1989 through September 2018 comprised 11 core propulsion and stage configurations and ended with 100 consecutive successful missions.
Dimensions
Height M
39
First Flight Year
1,989
Last Flight Year
2,018
Manufacturer
Parent Vehicle Family
Propulsion Configurations
  • Entries
    • Nested value
    • Nested value
    • Nested value
    Name
    Delta II 7925
    Notes
    Exact two-stage Delta II 7925 baseline: one RS-27A, nine GEM 40 strap-on motors, and one AJ10-118K.
Rocket Specs
Reusability
expendable

Links

Assets & Meta

Creation Time
July 13, 2026 at 07:32:32 UTC
Updated Time
August 20, 2026 at 08:12:33 UTC

Other

Search Name
Delta II Delta 2 Delta II launch vehicle