The Johnson-McConnell agreement of 1966 was an agreement between
United States Army
The United States Army (USA) is the primary Land warfare, land service branch of the United States Department of Defense. It is designated as the Army of the United States in the United States Constitution.Article II, section 2, clause 1 of th ...
Chief of Staff
The title chief of staff (or head of staff) identifies the leader of a complex organization such as the armed forces, institution, or body of persons and it also may identify a principal staff officer (PSO), who is the coordinator of the supportin ...
General
A general officer is an Officer (armed forces), officer of high rank in the army, armies, and in some nations' air force, air and space forces, marines or naval infantry.
In some usages, the term "general officer" refers to a rank above colone ...
Harold K. Johnson and
United States Air Force
The United States Air Force (USAF) is the Air force, air service branch of the United States Department of Defense. It is one of the six United States Armed Forces and one of the eight uniformed services of the United States. Tracing its ori ...
Chief of Staff
The title chief of staff (or head of staff) identifies the leader of a complex organization such as the armed forces, institution, or body of persons and it also may identify a principal staff officer (PSO), who is the coordinator of the supportin ...
General
John P. McConnell on 6 April 1966. The U.S. Army agreed to give up its fixed-wing
tactical airlift aircraft, while the U.S. Air Force relinquished its claim to most forms of
rotary wing aircraft. The most immediate effect was the transfer of Army
DHC-4 Caribou aircraft to the Air Force.
Background

The value of tactical air transport had been demonstrated in
World War II
World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
, proving especially valuable in mountainous and jungle regions of the
China-Burma-India and
Southwest Pacific theaters. In the 1950s, the U.S. Air Force recognized this, and emphasised centralized management and control of airlift resources. At the same time, Army theorists considered the possibility of employing aircraft in the traditional roles of
cavalry
Historically, cavalry (from the French word ''cavalerie'', itself derived from ''cheval'' meaning "horse") are groups of soldiers or warriors who Horses in warfare, fight mounted on horseback. Until the 20th century, cavalry were the most mob ...
. In the Army's concept, aircraft were responsible to and under the command of the ground commanders. From the Air Force perspective,

By 1960, the U.S. Army had 5,500 aircraft, and planned to acquire over 250 CV-2 Caribou aircraft
(
de Havilland Canada DHC-4 Caribou
The de Havilland Canada DHC-4 Caribou (designated by the United States military as the CV-2 and later C-7 Caribou) is a Canadian specialized cargo aircraft with STOL, short takeoff and landing (STOL) capability. The Caribou was first flown in 1 ...
). The Army's 1962
Howze Board strongly endorsed the
airmobility concept, calling for the creation of air assault divisions equipped with organic aircraft, supported by air transport brigades equipped with heavy helicopters and Caribou transports. To the Air Force, this sounded suspiciously like the Army creating a tactical air force of its own.
The U.S. Air Force opposed the introduction of Caribou aircraft to
Vietnam
Vietnam, officially the Socialist Republic of Vietnam (SRV), is a country at the eastern edge of mainland Southeast Asia, with an area of about and a population of over 100 million, making it the world's List of countries and depende ...
, arguing that the
C-123 Provider could carry twice the payload over three times the distance. However, the difference between the two aircraft narrowed under operational conditions, since fuel had to be traded off against payload, and the C-123 required of runway for take-off, as opposed to the Caribou's .
Once in Vietnam, the Caribou's ability to operate into short, unimproved strips soon proved its worth. Starting in July 1962, Caribous began flying two or three sorties per day into
Lao Bao, a remote camp that was inaccessible to C-123s. By the end of 1965, there were 88 Caribou aircraft in Vietnam, and the Army was considering a proposal to procure 120
CV-7 Buffalo aircraft – something the Air Force viewed as a costly duplication of the C-123.
In 1966, the U.S. Air Force began to deploy
CH-3 helicopters to Vietnam, on the "informal understanding" that "the Air Force would not attempt to deliver supplies to the Army by helicopter" but "critical shortages of
Chinooks temporarily ended doctrinal rigidity".
Air Force helicopters found themselves employed on a variety of tasks requiring heavy helicopters beyond their intended role in special air warfare.
Agreement
In late 1965, private negotiations began between Generals McConnell and Johnson over the transfer of Caribou and Buffalo aircraft to the Air Force. These were encouraged by the
Chairman of the Joint Chiefs of Staff
The chairman of the Joint Chiefs of Staff (CJCS) is the presiding officer of the Joint Chiefs of Staff (JCS). The chairman is the highest-ranking and most senior military officer in the United States Armed Forces Chairman: appointment; gra ...
, General
Earle Wheeler, who wished to avoid involving the
Secretary of Defense,
Robert McNamara
Robert Strange McNamara (; June 9, 1916 – July 6, 2009) was an American businessman and government official who served as the eighth United States secretary of defense from 1961 to 1968 under presidents John F. Kennedy and Lyndon B. Johnson ...
, or the
Joint Chiefs of Staff
The Joint Chiefs of Staff (JCS) is the body of the most senior uniformed leaders within the United States Department of Defense, which advises the president of the United States, the secretary of defense, the Homeland Security Council and ...
(where the other two services might exert their influence).
The text of the agreement, formally signed by McConnell and Johnson on 6 April 1966, read:
Outcome
The agreement was not warmly received by either service. Many Army officers felt that the Army had traded a real and valuable capability (the Caribous) for "empty guarantees of the status quo in helicopters".
For its part, the Air Force was now responsible for manning and funding an aircraft that it had long opposed in return for renouncing rotary winged aircraft. Should technological progress ever favor such aircraft, then the Air Force would be in serious trouble.
In the short term, the agreement ushered in an era of "lukewarm cooperation" between the two services, and relief for the Army's critical pilot shortage; but the implications stretched far into the future.
Once the war in Vietnam ended, the Air Force soon transferred all the C-7s and C-123s to the
Air National Guard
The Air National Guard (ANG), also known as the Air Guard, is a Reserve components of the United States Armed Forces, federal military reserve force of the United States Air Force, as well as the air militia (United States), militia of each U.S. ...
and
Air Force Reserve
The Air Force Reserve Command (AFRC) is a major command (MAJCOM) of the United States Air Force, with its headquarters at Robins Air Force Base, Georgia. It is the federal Air Reserve Component (ARC) of the U.S. Air Force, consisting of commis ...
. The
Advanced Medium STOL Transport project was eventually cancelled, the Air Force arguing that
surface-to-air missile
A surface-to-air missile (SAM), also known as a ground-to-air missile (GTAM) or surface-to-air guided weapon (SAGW), is a missile designed to be launched from the ground or the sea to destroy aircraft or other missiles. It is one type of anti-ai ...
s made tactical airlift too dangerous.
See also
*
Key West Agreement
The Key West Agreement is the colloquial name for the policy paper Functions of the Armed Forces and the Joint Chiefs of Staff drafted by James V. Forrestal, the first United States Secretary of Defense. Its most prominent feature was an outline ...
of 1948
*
Pace-Finletter MOU 1952
Notes
References
*
{{refend
1966 documents
1966 in military history
Agreements
United States documents
United States Army aviation
20th-century military history of the United States
April 1966 in the United States
1966 in the United States