"The Statue of Liberty is a national symbol and a natural target for those who wish to do us harm, and we shouldn't be making it easier for them," he said. "I know the NPS cares deeply about the monument and its visitors, but in this case I think they've made a mistake and should rethink this policy change."

Schumer was joined by New York Police Department Commissioner Ray Kelly, who said he has asked the Secretary of the Interior to reverse the plan.

Schumer wrote to NPS Director Jon Jarvis to ask that security screenings take place before people board the ferries. "As one of our nation's most visited tourist destinations, with an estimated four million visitors a year, it is particularly import that the unique threats to this site are taken into consideration for every step of this journey," he wrote.