Before revision: Mass to orbit Launch vehicles are classed by NASA according to low Earth orbit payload capability:NASA Space Technology Roadmaps - Launch Propulsion Systems, p.11: "Small: 0-2t payloads, Medium: 2-20t payloads, Heavy: 20-50t payloads, Super Heavy: >50t payloads" Small-lift launch vehicle: < - e.g.
After revision: HistoryMass to orbit Launch vehicles are classed by NASA according to low Earth orbit payload capability:NASA Space Technology Roadmaps - Launch Propulsion Systems, p.11: "Small: 0-2t payloads, Medium: 2-20t payloads, Heavy: 20-50t payloads, Super Heavy: >50t payloads" Small-lift launch vehicle: < - e.g.