Oshkosh Corporation president and chief executive officer Charles Szews speaks during the opening of the Pro Football and the American Spirit exhibit at FedEx Field before the Washington Redskins' 2011 home opener, on the 10th anniversary of 9/11. A signature wall at the event raised $2 for every signature to support the nonprofit Tragedy Assistance Program for Survivors (TAPS).

Oshkosh Corporation president and chief executive officer Charles Szews speaks during the opening of the Pro Football and the American Spirit exhibit at FedEx Field before the Washington Redskins' 2011 home opener, on the 10th anniversary of 9/11. A signature wall at the event raised $2 for every signature to support the nonprofit Tragedy Assistance Program for Survivors (TAPS).