Complex sentence: Initial training began in Ireland at Fermoy, Grayson, Richard S.: pp.16-18 Munster recruits training at Buttevant, when it was moved to Aldershot Barracks in England for more intensive training in September 1915.
Split into simpler sentences: Initial training began in Ireland at Fermoy, Grayson, Richard S.: pp.16-18 Munster; recruits also trained at Buttevant. It moved to Aldershot in England for more intensive training in September 1915.