N'oge Agha Ụwa nke Mbụ, mgbe ndị Briten meriri ndị Ottoman na Mesopotemia, e ji ndị India na ndị na-akwọ ụgbọ mmiri na-eji Osimiri Thames akwọ ụgbọ mmiri nye ndị agha General Charles Townsend nri, n'oge nnọchibido nke Kut
na ọdịda nke Baghdad (1917). The Tigris Flotilla gụnyere ụgbọ mmiri Clio, Espiegle, Lawrence, Odin, armed tug Comet, armed launches Lewis Pelly, Miner, Shaitan, Sumana, na sternwheelers Muzaffari / Muzaffar. Ndị ọzọ so ha bụ ụgbọ mmiri Royal Navy Fly-class Butterfly, Cranefly, Dragonfly, Mayfly, Sawfly, Snakefly, na Mantis, Moth, na Tarantula.