The United States military is getting more involved in the Haiti relief effort by the day. On Wednesday, 4,000 more troops were added, bringing the total U.S. presence in the country to about 16,000. Navy Adm. Mike Mullen, the nation's highest ranking military officer, tells The Takeaway that he recognizes the scale of the U.S. footprint and insists the focus is to support other organizations. He also says the use of Guantanamo Bay, Cuba is an option in the treatment of the many wounded Haitians.

John Hockenberry sat down with Adm. Mullen in the Pentagon on Wednesday. Here is a partial transcript of the interview.

This afternoon, Joint Chiefs of Staff Chairman Mike Mullen sat down with John Hockenberry to talk about the U.S. military's role in the Haiti relief effort and the fight against terrorism in Afghanistan and Pakistan. But the country's highest ranking military official also told us how he finds the time to send frequent Twitter updates: He credits his wife.