AeroVia LogoAeroVia
Back to Vehicle Families

Delta II 7426

Delta II 7426 used the 7000-series first stage, four GEM-40 solid rocket motors, the AJ10-118K second stage, and a Star 37 third stage. One vehicle flew on 1999-02-07.

Delta II 7426
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
Follow this vehicle family

Future launches and major activity directly linked to this vehicle family.

Identity

Family Name
Delta II
Full Name
Delta II 7426
Status
retired
Type
rocket
Variant Name
7426

Details

Description
Delta II 7426 used the 7000-series first stage, four GEM-40 solid rocket motors, the AJ10-118K second stage, and a Star 37 third stage. One vehicle flew on 1999-02-07.
First Flight Year
1,999
Last Flight Year
1,999
Manufacturer
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 7426 first-stage core.
    • Count
      4
      Placement
      booster
      Propulsion System
      Role
      booster
      Stage
      first-stage
      Variant Notes
      Four GEM 40 solid strap-on motors augment the Delta II 7426 first stage.
    • 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 STAR 37 solid motor powers the Delta II 7426 third-stage element; STAR 48B and STAR 48BV remain distinct.
    Name
    Delta II 7426
    Notes
    Exact three-stage 7000-series Delta II stack: four GEM-40 first-stage strap-on motors, RS-27A core engine, AJ10-118K second-stage engine, and STAR 37 third-stage motor.
Rocket Specs
Reusability
expendable
Stages Count
3
Strap On Boosters Count
4

Links

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

Assets & Meta

Creation Time
July 16, 2026 at 20:59:22 UTC
Updated Time
August 1, 2026 at 12:23:53 UTC
Image
Download