Complex sentence: They left Rangoon on 21 November 1914 and with them came Corporal William Cosgrove and landed in England on 10 January 1915, still in their Indian issue uniforms and stood on the quays shivering in their khaki drill shorts.
Split into simpler sentences: They left Rangoon on 21 November 1914, and William Cosgrove (now Corporal) landed in England on 10 January 1915. Upon landing they still wore their Indian issue uniforms and stood on the cold quay in their khaki drill shorts.