Operation MR

This was the designation of Allied convoys (together with a numerical suffix) plying the route from Madras, India, to Rangoon, Burma with reinforcements, supplies and equipment for the defence of Burma against the Japanese B (iii) invasion, and as such reciprocals of the 'RM' series (January/March 1942).

There were five such convoys, starting with MR.1 of 26/31 January 1942 with eight merchant vessels, one of them Burmese (5,143-ton Erinpura, 5,574-ton Ethiopia, 7,009-ton Karoa, 5,869-ton Kutsang, 9,182-ton Neuralia, 11,898-ton President Doumer, 4,701-ton Varsova and 3,560-ton Wing Sang). The last of the convoys was MR.5 of 26 February/3 March 1942 with four British merchant vessels in the form of Erinpura, Ethiopia, Karoa and Varsova.