In this task, you are given a summary for US Congressional and California state bill, your task is to generate a Title for this bill. The preferred titles are under forty words and mention the purpose of the bill.
Q: Maritime Law Enforcement Improvement Act of 2007 - Makes it unlawful for a person to transport, harbor, or conceal an alien on board a vessel if such person knows or has reason to believe that such alien is attempting to unlawfully enter the United States on the vessel. Sets forth both criminal and civil penalties for violations of this Act, including the seizure and forfeiture of the vessel.
A:
To amend title 46, United States Code, to improve maritime law enforcement.