Complex sentence: Foulois attended the Infantry-Cavalry School at Fort Leavenworth, Kansas, from September 1905 to August 1906, and was deployed to perform military mapping in Cuba before returning to complete Signal School in July 1908 as a 1st Lieutenant.
Split into simpler sentences: Foulois attended the Infantry-Cavalry School at Fort Leavenworth, Kansas, from September 1905 to August 1906. He was deployed to perform military mapping in Cuba before returning to complete Signal School in July 1908 as a 1st Lieutenant.