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Delta II 7925H

Delta II 7925H used nine enlarged GEM-46 solid rocket motors, the AJ10-118K second stage, and a Star 48B third stage. Across its payload-fairing subconfigurations, 3 vehicles flew from 2003-07-08 through 2007-09-27.

Delta II 7925H
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 7925HDelta II Heavy 7925HDelta 2-7925H
Family Name
Delta II
Full Name
Delta II 7925H
Status
retired
Type
rocket
Variant Name
7925H

Details

Description
Delta II 7925H used nine enlarged GEM-46 solid rocket motors, the AJ10-118K second stage, and a Star 48B third stage. Across its payload-fairing subconfigurations, 3 vehicles flew from 2003-07-08 through 2007-09-27.
First Flight Year
2,003
Last Flight Year
2,007
Manufacturer
Operator
Parent Vehicle Family
Propulsion Configurations
  • Entries
    • Count
      1
      Placement
      core
      Propulsion System
      Role
      main
      Stage
      first-stage
      Variant Notes
      One RS-27A powers the Delta II 7925H first-stage core.
    • Count
      9
      Placement
      booster
      Propulsion System
      Role
      booster
      Stage
      first-stage
      Variant Notes
      Nine GEM 46 solid strap-on motors provide Delta II 7925H heavy augmentation.
    • Count
      1
      Placement
      upper
      Propulsion System
      Role
      upper-stage
      Stage
      second-stage
      Variant Notes
      One restartable AJ10-118K powers the Delta-K second stage.
    • Count
      1
      Placement
      upper
      Propulsion System
      Role
      upper-stage
      Stage
      third-stage
      Variant Notes
      One Thiokol Star 48B powers the Delta II 7925H third-stage/PAM-D element; Star 48BV remains a distinct unmodeled sibling here.
    Name
    Delta II 7925H
    Notes
    Exact heavy Delta II stack: nine GEM-46 first-stage strap-on motors, RS-27A core engine, AJ10-118K second-stage engine, and Star 48B third-stage motor. Payload-fairing subconfigurations are not invented here.
Rocket Specs
Reusability
expendable
Stages Count
3
Strap On Boosters Count
9

Links

Official Url
https://sma.nasa.gov/LaunchVehicle/assets/delta-ii-data-sheet.pdf

Assets & Meta

Creation Time
July 13, 2026 at 11:43:55 UTC
Updated Time
August 1, 2026 at 11:59:04 UTC
Image
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