ACSI – US Army Assistant Chief of Staff, Intelligence

US Army Intelligence

ACSI Assistant Chief Staff, Intelligence USA

Lt. Col. William B. Rose

NARA ACSI Records 1940-1964 :

G-2 homepage:

C. Covert Testing on Human Subjects by

Military Intelligence Groups – LSD:

The two projects involving the operational use of LSD


were apparently approved by the Army Assistant Chief of Staff for Intelligence

(General Willems) on December 7, 1960.

This verbal approval came in the course of a briefing on previous drug programs

and on the planned field experimentation.

There is no record of written approval being issued by the ACSI

to authorize these specific projects until January 1961,

 and there is no record of any specific knowledge or approval

by the Secretary of the Army.

On February 4, 1963, Major General C. F. Leonard, Army ACSI,

forwarded a copy of the

THIRD CHANCE Trip Report to Army Chief of Staff, General Early Wheeler.

Wheeler had apparently requested a copy on February 2.

The report was routed through a General Hamlett.

While this report included background on the origins of the LSD tests,

it appears that General Wheeler may

only have read the conclusion and recommendations.

The office memorandum accompanying the Trip Report bears Wheeler’s initials.
5. Termination of Testing

On April 10, 1963, a briefing was held in the ACSI’s office

on the results of Projects THIRD CHANCE

and DERBY HAT. Both SPT’s concluded that more field testing

was required before LSD could be utilized

as an integral aid to counterintelligence interrogations.

During the presentation of the DERBY HAT results,

General Leonard (Deputy ACSI) directed

that no further field testing be undertaken.

After this meeting the ACSI sent a letter to the Commanding General

of the Army Combat Developments

Command (CDC) requesting that he review THIRD CHANCE

and DERBY HAT and “make a net evaluation

concerning the adoption of EA 1729 for future use as an effective

and profitable aid in counterintelligence

interrogations.”  On the same day the ACSI requested

that the CDC Commander revise regulation

FM 30-17 to read in part:

. . . in no instance will drugs be used as an aid to interrogations

in counterintelligence or security

operations without prior permission of the Department of the Army.

Requests to use drugs as an

investigative aid will be forwarded through intelligence channels

to the OACSI, DA, for approval. . . .’

Medical research has established that information obtained

through the use of these drugs

is unreliable and invalid. . . .

It is considered that DA [Army] approval

must be a prerequisite for use of such drugs

because of the moral, legal, medical and political problems

inherent in their use

for intelligence purposes.

The subsequent adoption of this regulation marked the effective

termination of field testing of LSD by the Army.

The official termination date of these testing programs is rather unclear,

but a later ACSI memo indicates that it may have occurred in September of 1963.

On the 19th of that month a meeting was held

between Dr. Van Sims (Edgewood Arsenal),

Major Clovis (Chemical Research Laboratory), and ACSI representatives

(General Deholm and Colonel Schmidt).

“As a result of this conference a determination

was made to suspend the program and any further activity

pending a more profitable and suitable use.”

US Army Assistant Chief of Staff, Intelligence Records,+Intelligence&hl=en&gl=us&pid=bl&srcid=ADGEESgy6T39ln2VnTNNgkh59cQLw900Wnbwv8pwRkfg2NPWqwMXESBcOPL_ydHtYxi9ytncHmhvx1NVjf7UPKgOw3pRcJgS7h7jsoNQRS0PB48-2VYQBysENxcLGPsOA5Zn4ex2ipAx&sig=AHIEtbTE2y0X7NdRVnnqVFznLlVT7iH98A





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