Complex sentence: Goldfinger takes off his coat, revealing a U.S. Army colonel's uniform, and kills Mr. Ling and the troops seeking to open the vault, before making good his escape.
Split into simpler sentences: Goldfinger takes off his coat, revealing a U.S. Army colonel's uniform. In his disguise, he kills Mr. Ling and the troops seeking to open the vault, before making good his escape.