This branch of the U.S. military was originally called the Revenue Marine, and had the job of collecting customs duties at U.S. ports. This branch's name evolved into the "Revenue Cutter" service by the mid-19th Century, and it was combined with the "Life-Saving Service" to its current status in 1915. This military branch was originally part of the Treasury Department, before moving to the Transportation Department in 1967. For 10 points, name this military branch that was placed under the Department of Homeland Security in 2003 and has the job of patrolling America's coastal waters.
A) Air Force
B) Coast Guard
C) Navy
D) Marines