Foreign Relations of the United States, 1961–1963, Volumes VII, VIII, IX, Arms Control; National Security Policy; Foreign Economic Policy, Microfiche Supplement

221. Table, August 23¹

August 23, 1963

Programmed and Augmented Capabilities of AEDS to Detect and Identify Nuclear Tests with 60–90% Probability*

THRESHOLD (KT)
Altitude	USSR & China		Remote
(km)	Programmed Augmented		Programmed Augmented
(1)	(2)	(3)	(4)	(5)
0–10	5	5	200–500	40
10–20	5–100	5–10	200–1,000’s	40
20–50	5–50	5–10	200–1,000’s	20–40
50–100	~ 10	5	100–1,000	20
100–1000	2	2	100–1,000	20
1000–10,000	5–100	5	100–1,000	20
10–100 (thousands)	1	1	1	1
100–300 (thousands)	1–10	1–5	1–10	1–5
300–1,000 (thousands)	10–100	10	10–100	10

*For 10% probability, all thresholds will be substantially reduced.

1. “Programmed and Augmented Capabilities of AEDS to Detect and Identify Nuclear Tests with 60–90% Probability.” Top Secret. 1 p. Kennedy Library, National Security Files, Departments and Agencies Series, ACDA, Disarmament, Test Ban and the U.S. Military.