Johnson, Alfred W., Washington. To G.S. Messersmith, Mexico City., 1942 December 12

Informs Messersmith of changes in membership of Joint Mexican-U.S. Defense Commission; Johnson has replaced [Stanley D.] Embick as Chairman; Embick detached from Commission but retains chairmanship of Inter-American Defense Board; complains that with exception of Argentina and Chile, Mexico the least cooperative of other American republics, mentioning specifically Mexico's refusal to allow U.S. armed forces to operate in Mexico.