TABLE NO. 3
UNITED STATES, UNITED KINGDOM, AND SOVIET NUCLEAR EVENTS
(Yield in Kilotons)
inclusive Years
FISSION YIELD *
Ground
Water
Air
Surface
Surface
Burst
Burst
Bur st
TOTAL YIELD
Air
Burst
Surface
Bur st
1945-1951
190
550
20
190
570
1952-21954
1,000
15,900
22,000
1,000
59,000
1955-1956
5,600
1,500
6,000
11,000
17,000
1957-1958
31,000
4,400
4, 600
57,000
28,000
* A value of 50% has been arbitrarily selected for the fission to
total yield ratio for all Soviet thermonuclear tests.
As indi-—
cated in the tables, 30% is about the average fission to total
yield ratio for all US/UK thermonuclear tests.
TABLE NO. 3
9002310