U.S. Park Police Marine Unit on September 11, 2001.
The U.S. Park Police Marine Unit on September 11, 2001.
The U.S. Park Police Marine Unit responding to assist the public during the attacks on the World Trade Center on September 11, 2001.
U.S. National Park Service
Permission must be secured from the individual copyright owners to reproduce any copyrighted materials contained within this website. Digital assets without any copyright restrictions are public domain.