Complex sentence: During his tenure as Chief, the Pakistan Air Force tried to accuare the French Dassault Mirage 2000-5 as alternatives to the F-16s after the U.S military embargoes and worked together with China to develop the K-8 trainer.
Split into simpler sentences: During his tenure as the Air Force Chief, the Pakistan Air Force tried to accuare the French Dassault Mirage 2000-5 as an alternative to the F-16, after U.S military embargoes. He worked together with China to develop the K-8 trainer.