Complex sentence: Stone announced in December 2015 that he will be leaving the United States Air Force in November 2016 after meeting with U.S. Ambassador to France Jane D. Hartley further piqued his interest in international relations.
Split into simpler sentences: Stone announced in December 2015 that he will be leaving the United States Air Force in November 2016. After meeting with U.S. Ambassador to France Jane D. Hartley further piqued his interest in international relations.