On May 21 and 22 from 10 a.m. to 4 p.m., a 1,100 sq. ft. mobile exhibit honoring the more than 3,000 innocent victims killed during the terrorist attacks on September 11, 2001 will be on display at Patriots Point Naval & Maritime Museum. Tours will be given by FDNY firefighters. The exhibit will be free and open to the public; parking at the museum is $5. The Stephen Siller Tunnel to Towers Foundation created this mobile exhibit as a tribute to all those whose lives were sacrificed on September 11, 2001. The 9/11 Never Forget Mobile Exhibit is presented by Hudson Nissan, Charleston Nissan and Nissan.