The White House has opted to dispatch the aircraft carrier the USS Abraham Lincoln and a bomber task force to the Persian Gulf.

The goal seems to be--to send a message to Iran.

A US defense official says the decision followed "clear indications" that Iranian and Iranian proxy forces were preparing to possibly attack U.S. forces in the region. 

CBS News Military Analyst Mike Lyons joined Armstrong & Getty to explain what's happening.

Listen to the Armstrong & Getty interview below.