Complex sentence: Her keel was laid on 19 November 1983, she was launched on 8 February 1985, was delivered to the Navy on 3 March 1986, and was commissioned on 22 March.
Split into simpler sentences: Her keel was laid on 19 November 1983, and she was launched on 8 February 1985. She was delivered to the Navy on 3 March 1986, and commissioned on 22 March.