GEM 60
GEM 60 is a 60-inch composite-case booster for Delta IV Medium+. Fixed- and vectorable-nozzle configurations have a 90.8 s catalogue burn time. Their vacuum thrust and inert masses differ. The manufacturer records final flight in August 2019 and inactive production.
Identity
- Domains
- spaceflight
- Identity Level
- variant
- Kind
- solid-rocket-motor
- Name
- GEM 60
- Status
- retired
Details
- Description
- GEM 60 is a 60-inch composite-case booster for Delta IV Medium+. Fixed- and vectorable-nozzle configurations have a 90.8 s catalogue burn time. Their vacuum thrust and inert masses differ. The manufacturer records final flight in August 2019 and inactive production.
- Developers
- Family
- Manufacturers
- Rocket Specs
- Burn Time
- …
Links
Assets & Meta
- Creation Time
- July 29, 2026 at 08:34:16 UTC
- Updated Time
- October 29, 2026 at 15:55:52 UTC
Other
- Diameter
- …
- Sources
- Accessed Date
- 2026-07-29
- Publisher
- Northrop Grumman
- Title
- GEM Motor Series Propulsion Products Catalog
- Accessed Date
- 2026-07-29
- Note
- Supports the legacy vehicle installation and the narrow canonical identity used for migration.
- Publisher
- Official vehicle or program source
- Title
- Delta IV Medium+ (5,4) official vehicle reference
- Accessed Date
- 2026-10-29
- Note
- GEM family overview and exact configuration pages distinguish ignition and nozzle alternatives; historical catalogue lifecycle checked against the 2025 sheet.
- Publisher
- Northrop Grumman
- Title
- GEM Motor Series — product catalogue