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RDS-37: Leading to the RDS-37, Aftermath & Overview
RDS-37 (Russian: РДС-37, CIA: JOE 19) was the Soviet Union's first two-stage thermonuclear weapon test, dropped from a Tupolev Tu-16 bomber over Semipalatinsk Test Site on 22 November 1955. The yield was 1.6 megatons, scaled down from a 3 megaton design. It was the world's first air-dropped multi-stage thermonuclear test; prior US thermonuclear tests Ivy…
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RDS-37 topic overview
The analysis highlights Leading to the RDS-37, Aftermath and Overview as prominent areas in the source structure around RDS-37.
Related topics
60
Source areas
6
Connected nodes
72
Extracted relationships
93
Related term clusters
26
Bridge connections
72
What this topic covers Research coverage
Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.
Overview · 23 topics
Leading to the RDS-37 · 17 topics
Aftermath · 11 topics
Test · 4 topics
Factors behind the design · 3 topics
Design process · 2 topics
Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.
Key facts & relationships
High-confidence facts extracted from structured source data. Use them as anchors for further research.
Country
Soviet Union
Device type
Fusion
Max. yield
Total yield 1.6 megatons of TNT (6.7 PJ)
Number of tests
1
Period
November 1955
Test site
Semipalatinsk Test Site, Kazakh SSR
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Advanced semantic analysis
How RDS-37 connects Entity context
Entity context groups extracted connections by relationship type. Counts show recurrence in the analyzed source; the examples are research signals, not claims about importance.
The extracted context around RDS-37 shows recurring relationship patterns in the source. For example, RDS-37 → Andrei Sakharov, April, Beria, December, Design Bureau, February, For RDS-37, In March, Ironically, January, KB-11, Khariton, Kompaneets, Physical Review, RDS-6, Russian, Sakharov, Sakharov's, Semipalatinsk, Several Another extracted example is RDS-37 → American, Another, Castle Bravo, Design Bureau, Khariton, November, Now, RDS-6, Sakharov, Semipalatinsk Site, Soviet Union, Soviet Union's, Soviets, The RDS-37, The Soviets, United States, Zel'dovich. Use these groups to spot repeated connection types before inspecting the individual relationships.
RDS-37
Top relations
related to Design process· 31
RDS-37 → Andrei Sakharov, April, Beria, December, Design Bureau, February, For RDS-37, In March, Ironically, January, KB-11, Khariton, Kompaneets, Physical Review, RDS-6, Russian, Sakharov, Sakharov's, Semipalatinsk, Several
related to Analysis· 17
RDS-37 → American, Another, Castle Bravo, Design Bureau, Khariton, November, Now, RDS-6, Sakharov, Semipalatinsk Site, Soviet Union, Soviet Union's, Soviets, The RDS-37, The Soviets, United States, Zel'dovich
related to Delivery method· 14
RDS-37 → Cherokee, Joe-4, Kazakhstan, May, RP-30, RP-32, Semipalatinsk, Semipalatinsk Test Site, Soviet Union, The RDS-37, The RDS-6s, Tupolev Tu-16, United States, USAF
Relationships are represented as Subject → Predicate → Object triples. Confidence describes extraction strength, not the real-world importance of a relationship; lower-confidence rows may be contextual rather than explicit.
TTTA extracted 93 structured relationships around RDS-37. Examples in this analysis include RDS-37 → Country → Soviet Union and RDS-37 → Device type → Fusion. The table shows each extracted connection, where it came from and its confidence.
Subject
Predicate
Object
Confidence
Src
RDS-37
Country
Soviet Union
1.00
infobox
RDS-37
Device type
Fusion
1.00
infobox
RDS-37
Max. yield
Total yield 1.6 megatons of TNT (6.7 PJ)
1.00
infobox
RDS-37
Number of tests
1
1.00
infobox
RDS-37
Period
November 1955
1.00
infobox
RDS-37
Test site
Semipalatinsk Test Site, Kazakh SSR
1.00
infobox
RDS-37
Test type
Atmospheric test
1.00
infobox
RDS-37
related to Analysis
The RDS-37
0.60
section
RDS-37
related to Analysis
Semipalatinsk Site
0.60
section
RDS-37
related to Analysis
Soviet Union
0.60
section
RDS-37
related to Analysis
United States
0.60
section
RDS-37
related to Analysis
Another
0.60
section
No triples extracted yet.
Related concept clusters Related term clusters
Related term clusters group terms that sit near one another in the extracted graph. They are useful for discovering adjacent language and context, but proximity does not by itself imply a factual relationship.
The concept neighborhoods around RDS-37 bring nearby vocabulary together. In this analysis, examples include Test, Design and Thermonuclear. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
soviet union
Union
United
Thermonuclear
States
Bomb
Weapon
Two-stage
Test
Method
Nuclear
Design
Time
thermonuclear weapon
Fuel
Two-stage
Union
Weapon
Test
Would
States
United
Sakharov
Tests
Deuterium
Charge
soviet nuclear weapons project
Union
Thermonuclear
United
States
Bomb
Charge
Implosion
Weapon
Two-stage
Secondary
Hydrogen
Test
RDS-37
Test
Design
Thermonuclear
Two-stage
Soviet
Sakharov
Tests
Charge
Compression
Atomic
Also
Bomb
rds-37
Test
Design
Thermonuclear
Two-stage
Soviet
Sakharov
Tests
Charge
Compression
Atomic
Also
Bomb
semipalatinsk test site
Design
Yield
Thermonuclear
Two-stage
Tests
Also
Weapon
Bomb
States
United
Hydrogen
Nuclear
layer cake design
Bomb
Test
Rds-37
Sakharov
Hydrogen
Compression
Idea
Teller
Atomic
Soviet
Also
Yield
nuclear primary
Charge
Implosion
Two-stage
Secondary
Hydrogen
Bomb
Soviet
Would
Energy
Sakharov
Fusion
Compression
Connections between topic areas Semantic bridges
Semantic bridges connect parts of the graph that would otherwise be more separate. A bridge is a structural signal in this analysis, not a claim that the two topic areas are equivalent.
For RDS-37, one of the stronger structural bridges in this analysis connects RDS-37 with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.
Number of nodes, edges, triples, density and central hubs. Use it to gauge the size and connectivity of the map.
RDS-37
Nodes73
Edges72
Triples93
Avg. degree1.97
Density0.027397
Components1
Source & methodology
TTTA analyzes the structure around RDS-37 to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Leading to the RDS-37, Aftermath & Overview, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
