Operation Regulta

'Regulta' was the British movement of Brigadier C. H. Boucher’s Indian 20th Brigade of Major General W. A. K. Fraser’s (from 15 May Major General W. J. Slim’s) Indian 10th Division by boat up the Shatt al-Arab waterway and Tigris river to Kut during the 'Sabine' suppression of the Iraqi revolt (early May 1941).