Complex sentence: After a month at Fort Leavenworth, Kansas, Pratt proceeded to his duty station at the Presidio of San Francisco, California, where his troop trained in preparation of a two-year tour of duty in Malabang, which started in September 1905.
Split into simpler sentences: After a month at Fort Leavenworth, Kansas, Pratt proceeded to his duty station at the Presidio of San Francisco, California. There he trained for a two-year tour of duty in Malabang, which started in September 1905.