{"dataset":{"slug":"rocket-families","title":"Rocket Families","description":"Multi-generation launch-vehicle lineages — Saturn, Atlas, Delta, Falcon, Ariane, Long March, and more.","version":"1.0.0","lastGenerated":"2026-06-29","license":"CC BY-SA 4.0","entityCount":10,"sources":["nasa","esa"]},"entities":[{"id":"rocket_family:ariane","name":"Ariane","type":"rocket_family","domain":"science","description":"Europe's flagship launch-vehicle family, from the Ariane 1 of 1979 through the heavy-lift Ariane 5 and the current Ariane 6.","entryPath":"/rockets/ariane"},{"id":"rocket_family:atlas","name":"Atlas","type":"rocket_family","domain":"science","description":"A long-running U.S. launch-vehicle family that evolved from an early ICBM into the modern Atlas V operated by United Launch Alliance.","entryPath":"/rockets/atlas"},{"id":"rocket_family:delta","name":"Delta","type":"rocket_family","domain":"science","description":"A prolific U.S. launch-vehicle family spanning six decades, from the Thor-derived Delta through the Delta II and the hydrogen-fueled Delta IV, retired in 2024.","entryPath":"/rockets/delta"},{"id":"rocket_family:falcon","name":"Falcon","type":"rocket_family","domain":"science","description":"SpaceX's family of RP-1/LOX rockets — the retired Falcon 1, the reusable Falcon 9, and the Falcon Heavy — that made orbital-class booster reuse routine.","entryPath":"/rockets/falcon"},{"id":"rocket_family:h-rocket","name":"H series","type":"rocket_family","domain":"science","description":"Japan's family of liquid-hydrogen launch vehicles — the H-I, H-II, H-IIA/H-IIB, and the current H3 — developed by JAXA and Mitsubishi Heavy Industries.","entryPath":"/rockets/h-rocket"},{"id":"rocket_family:long-march","name":"Long March","type":"rocket_family","domain":"science","description":"China's principal launch-vehicle family, spanning small to heavy lift — from the early hypergolic Long March 2/3/4 to the modern cryogenic Long March 5/6/7/8.","entryPath":"/rockets/long-march"},{"id":"rocket_family:r-7","name":"R-7 / Soyuz family","type":"rocket_family","domain":"science","description":"The most-launched rocket lineage in history — descended from the R-7, the world's first ICBM (1957), and continued today by the crew-carrying Soyuz.","entryPath":"/rockets/r-7"},{"id":"rocket_family:saturn","name":"Saturn","type":"rocket_family","domain":"science","description":"NASA's family of heavy- and super-heavy-lift rockets developed for the Apollo program — the Saturn I, Saturn IB, and the Moon-launching Saturn V.","entryPath":"/rockets/saturn"},{"id":"rocket_family:sls","name":"Space Launch System","type":"rocket_family","domain":"science","description":"NASA's super-heavy-lift family for the Artemis program, planned in progressively more capable Block 1, Block 1B, and Block 2 configurations.","entryPath":"/rockets/sls"},{"id":"rocket_family:titan","name":"Titan","type":"rocket_family","domain":"science","description":"A U.S. family derived from the Titan ICBM — the crewed Titan II of Gemini, and the hypergolic Titan III and Titan IV heavy launchers for national-security and planetary missions.","entryPath":"/rockets/titan"}]}