THE MISSION OF THE STEPHEN SILLER TUNNEL TO TOWERS FOUNDATION IS TO HONOR THE SACRIFICE OF FDNY FIREFIGHTER STEPHEN SILLER, AND ALL THOSE WHO LAID DOWN THEIR LIVES TO SAVE OTHERS ON SEPTEMBER 11, 2001. WE ALSO HONOR OUR MILITARY, AND FIRST RESPONDERS WHO CONTINUE TO MAKE THE SUPREME SACRIFICE OF LIFE AND LIMB FOR OUR COUNTRY.