Complex sentence: Lieutenant-Colonel Frederick Baker (1908--1958) led the NZ 28 (Maori) Battalion in World War II, from 13 July to 2 November 1942, and was injured at the commencement of the Battle of El Alamein.
Split into simpler sentences: Lieutenant-Colonel Frederick Baker DSO (19 June 1908--1 June 1958) was a New Zealand soldier who served in World War II, leading the 28th (Māori) Battalion from 13 July to 2 November 1942. He was injured at the commencement of the Battle of El Alamein.