This was the designation of an Allied military convoy (together with a numerical suffix) plying the route from Taranto to the south coast of France for ‘Dragoon’ (i) (10/16 August 1944).
This one-off convoy was TM.1 with 40 merchant vessels of various types and sizes escorted by the British escort destroyer Farndale and the British corvettes Aubretia and Columbine.