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Timeline10

  1. FieldedConfirmed

    Initial operation aboard GTS Adm. Callaghan

    Manufacturer history dates initial operation to 1969 without a month or day.

    SourcesGE Aerospace

  2. Contract awardConfirmed

    U.S. Navy awards Spruance-class engine contract

    GE received a contract for LM2500 propulsion on Spruance-class destroyers. The manufacturer’s history specifies the month.

    SourcesGE Aerospace

  3. MilestoneConfirmed

    1,000th LM2500 turbine delivered

    GE’s retrospective chronology dates the thousandth turbine delivery to 1990; it is a fleet delivery total rather than a first delivery.

    SourcesGE Aerospace

  4. UpgradeConfirmed

    LM2500+ development and testing begin

    Development and testing began for the higher-output LM2500+ variant. It remains part of the LM2500 family timeline in this dataset.

    SourcesGE Aerospace

  5. FieldedConfirmed

    LM2500+ enters industrial service in the Netherlands

    The first application of the LM2500+ variant was a cogeneration plant in Dordrecht. This dates variant service, not the original LM2500 introduction.

    SourcesGE Aerospace

  6. MilestoneConfirmed

    LM2500+ receives U.S. Navy certification

    The U.S. Navy certified the LM2500+ variant for mechanical-drive applications rated at 35,000 brake horsepower.

    SourcesGE Aerospace

  7. UpgradeConfirmed

    LM2500+G4 variant introduced

    GE’s chronology dates introduction of the fourth-generation LM2500+G4 to 2005. The variant remains within the family record.

    SourcesGE Aerospace

  8. MilestoneConfirmed

    Composite module completes shock testing

    An LM2500 with a new composite enclosure and updated components underwent shock testing at the HI-TEST facility in Virginia.

    SourcesGE Aerospace

  9. MilestoneConfirmed

    Navy qualification of composite module announced

    GE announced U.S. Navy qualification of the modernized module. The release gives an announcement date, not the precise certification date.

    SourcesGE Aerospace

  10. MilestoneConfirmed

    Orders announced for two further Flight III destroyers

    GE reported orders for eight LM2500 engines for the future USS Intrepid and USS Robert Kerrey. The release does not identify the contract execution date or establish delivery.

    SourcesGE Aerospace

Solid entries are confirmed, outlined reported, dashed estimated or still to come; dotted italic entries are speculative. Dates show only the precision the sources give.

Used in1

Sources5

  1. 1.

    GE Aerospace · Dec 10, 2025 · Supports: System milestone

    “has received orders to supply eight LM2500 marine gas turbine engines”
  2. 2.

    GE Aerospace · May 6, 2019 · Supports: System milestone

    “now fully certified by the United States Navy”
  3. 3.

    GE Aerospace · Aug 24, 2015 · Supports: System milestone

    “1,000th turbine delivered”
  4. 4.

    GE Aerospace · May 11, 2006 · Supports: System milestone

    “in August 2004”
  5. 5.

    GE Aerospace · Supports: System, System milestone

    “The first LM2500 gas turbine began operating in 1969”

Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.