worn by British officers; they were privately purchased, and of better quality than Other Ranks uniform. In combat in France and Flanders, they were often replaced on an individual basis by Other Ranks' Service Dress, making the officer less conspicuous to enemy snipers and soldiers. Khaki Drill (1900–1949) Khaki Drill was a series of different uniform patterns of light khaki cloth, generally cotton, first worn by Canadian soldiers in the Boer War and reserved for summer training in Canada, or for employment in tropical climates. Canada developed its own pattern after the First World War, and the uniform was commonly worn in Canada, with officers again having the option of finer garments privately purchased. In the Second World War, Canadians serving in Jamaica and Hong Kong wore Canadian pattern KD; the I Canadian Corps troops in Italy wore KD supplied in theatre by the British, generally of British, Indian or US (War Aid) manufacture. Worn in tropics far beyond 1949. KD was still in issue and worn with either short or long trousers as parade dress. Jacket was replaced with shirt for normal barrack dress wear. Worn by all British units in Kenya until Dec 1964. Also in issue and worn by British Honduras Garrison and attached Infantry Company Group until at least 1968. Battle Dress (1939–1970) In 1939, the Battle Dress uniform was adopted as a field uniform; made of wool and patterned after British BD, Canadian uniforms were darker in color with a distinctive green tinge to the dark khaki color. Officers had the option of having BD tailored from better material, but in the field most wore "off the rack" BD, perhaps with a modified open collar. Service Dress was worn in 1939 and into 1940 by soldiers in Canada as field dress, and afterward was no longer issued except to a select few. While a new pattern of Service Dress was introduced for Other Ranks in this period, it was reserved for dress wear only. Battle Dress completely replaced SD as a field uniform beginning in 1940 as enough of the new uniforms became available. A new pattern of BD was introduced in 1949, with an open collar matching that of British Pattern 1949 BD. The garment was worn as a field dress throughout the Korean War, and into the 1960s until replaced by the Combat uniform. Some Militia units used BD as a dress uniform