Research any topic before you write.
Find related topics. | Discover entities. | See connections. | Build a topical map.
The Dongfeng 4 (Chinese: 东风-4; pinyin: Dōng Fēng Sì; lit. 'East Wind 4') or DF-4 (also known as the CSS-3) is a first-generation two-stage liquid-fuelled Chinese intercontinental ballistic missile. It was estimated to be deployed in limited numbers in underground silos beginning in the late 1970s and retired around 2023, deploying around 10 to 15…
History, Overview & Operators
Explore the main themes, entities and connections around DF-4. Start with the topic map, then use the sections below for research and deeper semantic analysis.
Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.
High-confidence facts extracted from structured source data. Use them as anchors for further research.
Browse the full topic structure. Each item opens a new analysis centered on that subject.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
See the strongest relationship patterns around the current topic before diving into the raw triples.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
missile warhead range nuclear capital yield kg 500 estimated km chinese rocket system ballistic us 1975 2023 diameter 25 length
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| DF-4 | .mw-parser-output .tooltip-dotted{border-bottom:1px dotted;cursor:help}Maximum speed | ? | 1.00 | infobox |
| DF-4 | Accuracy | 1.5 km | 1.00 | infobox |
| DF-4 | Blast yield | 3.3 Mt | 1.00 | infobox |
| DF-4 | Diameter | 2.25 m | 1.00 | infobox |
| DF-4 | Engine | Liquid fueled | 1.00 | infobox |
| DF-4 | Guidance system | Astro-inertial guidance | 1.00 | infobox |
| DF-4 | In service | 1975/1976–2023 | 1.00 | infobox |
| DF-4 | Length | 28.05 m | 1.00 | infobox |
| DF-4 | Manufacturer | Factory 211 (Capital Astronautics Co.) | 1.00 | infobox |
| DF-4 | Mass | 82,000 kg | 1.00 | infobox |
| DF-4 | Operational range | 5,500 km | 1.00 | infobox |
| DF-4 | Place of origin | People's Republic of China | 1.00 | infobox |
| DF-4 | Type | ICBM | 1.00 | infobox |
| DF-4 | Unit cost | ? | 1.00 | infobox |
| DF-4 | Used by | PLA Rocket Force | 1.00 | infobox |
| DF-4 | Warhead | One, or three (DF-4A) | 1.00 | infobox |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.