Scores are relative 0–100 marks within this atlas. Use them to browse, not as an engineering spec.
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Quick answers
Which local authority or corridor rules matter for this type?
Start with the local lens: type approval, operator licences and the hubs named on this page — not a single global checklist.
Is this a buying guide?
No. Tool-Lifes /vehicles is an educational atlas. It explains history, systems and culture without affiliate rankings.
Are the scores official?
No. The six scores are relative editorial 0–100 marks across the twenty-four types on this site.
Where do the photos come from?
Lead images resolve from Wikimedia Commons via Wikipedia titles on the English masters, with licences recorded on the credits page.
Why metric units?
Metric is the default. Regional notes (US customary, local brand culture) appear in culture and market chapters.
How is this different from a wiki article?
Each type gets seven fixed-depth chapters, comparable scores and cross-type labs — structured for browsing, not a single freeform page.
Every Orbital rocket is a negotiated stack of structure, energy conversion, control and human interfaces under weather and regulation.
The systems, meters and hotspots below are type-level engineering — manufacturers vary; load paths and failure modes do not.
Teaching silhouette with numbered systems — type-level, not a specific model tear-down.
Systems
Stages & interstage
First stage lifts off heavy mass; upper stages ignite after separation with lighter structural fraction.
Liquid or solid motors
Cryogenic LOX/LH2 or RP-1 engines throttle or shut; solids provide high initial impulse.
Guidance & gimbal control
Inertial navigation and engine gimbals steer through max-Q and insertion burn.
Fairing & payload adapter
Aero shell protects satellites during ascent; adapter releases payload at target orbit.
Range safety & FTS
Autonomous destruct commands activate if vehicle flies off hazard corridor.
Ground umbilical & pad
T-0 disconnects fuel, power, and comms; hold-downs release at liftoff.
Relative meters
Hotspots
Engine turbopump
Cavitation or bearing failure on main engines triggers abort or RUD.
Interstage separation
Late or early sep causes collision between stages under thrust.
Fairing half deployment
Hung fairings add mass and block payload deploy on orbit.
GN2 pressurization
Tank pressurization loss collapses lines or causes premature engine shutdown.
Pad deluge failure
Insufficient acoustic suppression damages avionics or structure at liftoff.
Materials
Al-Li tank skins
Light alloy tanks with internal stringers carry cryogenic loads.
Inconel chamber liners
Combustion chambers survive extreme heat flux with regenerative cooling.
Carbon composite fairing
Light shell splits pneumatically or pyro for payload exposure.
Pyrotechnic sep bolts
Controlled fracture releases stages at commanded acceleration.