UK, USA, & Israel have invaded and devastated Yemen since 1839.

The U.K. militarily occupied Yemen from 1839 to 1967.

Then the U.K, Israel, and the U.S. destroyed Yemen's development (1962-1980's)

Source: Britain and the Yemen Civil War, 1962-1965: Ministers, Mercenaries and Mandarins, by Professor Clive Jones, published in 2004 by Sussex Academic Press (Brighton, Great Britain; and Portland, Oregon), page 36.

Professor Jones was a senior visiting research Fellow at the University of Haifa, Israel in 2002.

Mercenary forces, supplied by the U.K. & Israel, destroyed Yemen’s chance at independence from British occupation (1962-1965)

Source: Britain and the Yemen Civil War, 1962-1965, page 36:

The U.S. has intervened in Yemen since President Kennedy flew jet fighters to the Yemeni border:

In 1962, the British-supported Yemeni monarchy was overthrown.

So in March 1963, U.S. President Kennedy agreed to deploy a squadron of U.S. Air Force F-4s to Saudi Arabia, to fly close to the Yemeni border, and to train Saudi pilots, as a demonstration of U.S. support for Saudi Arabia, as it fought to restore the overthrown Yemeni monarchy.

U.S. naval visits to Saudi Red Sea ports were also increased, and U.S. training of the Saudi military was stepped up. The U.S.A.F. personnel also trained Saudi pilots.

-- Source: “Uncle Sam, Supreme Guardian of the Saudi Crown”, By Herman F. Eilts, U.S. ambassador to Saudi Arabia (1965 to 1970), in the Spring 2000 issue of American Diplomacy.

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The U.K., Israel, and the U.S. kept South Yemen under military & economic siege until the 1970’s:

Source: “Women and Development in the Republic of Yemen”, by Helen Lackner, in Gender and development in the Arab world-- women's economic participation: patterns and policies (Published by Zed Books Ltd. for the United Nations University World Institute for Development Economics Research, 1995; page 73)

Carter allowed Saudi Arabia to buy tanks and fighter jets for use against South Yemen.

Carter also trained exiles to invade South Yemen (1979)

Weeks after U.S. President Carter allowed Saudi Arabia to buy tanks and fighter jets for North Yemen, fighting broke out between the North and South Yemen. Then the U.S. increased its arms package for North Yemen (allied with Saudi Arabia and the United States) and rushed a portion of it there, along with military advisers who would train North Yemen in their use.

Carter sent an aircraft carrier task force and surveillance planes to the region; and he offered U.S. fighter jets to Saudi Arabia to expand Saudi Arabia’s ability to use air power in North Yemen.

Carter also agreed to a plan that involved training personnel who had been exiled from South Yemen inside Saudi Arabia and using them to invade South Yemen. That operation was blown, as the exile force was captured and confessed as to U.S. involvement.

--Sources: “Yemen, Sudan to Get Added Arms,” New York Times , 12 February 1979; also other articles, 27 February, 6, 8, 13, 20, 29 March, 1 April 1979, 6 February 1980; “Carlucci Launched CIA Operation in Yemen That Collapsed,” Washington Post , 4 December 1986.

Ronald Reagan then claimed that South Yemen is likely to send Cuban forces to attack Oman! (1980)

Source: AP story in the “Lakeland Ledger” (Florida), February 8, 1980, page 5A.