Australian firefighter Rob Frey, third from front left, and New York City firefighter James Dowdell, holding helmet, are recognized in a speech by Australian Prime Minister Julia Gillard, not pictured, during an address at a joint meeting of Congress on Capitol Hill in Washington, Wednesday, March 9, 2011. Mr. Frey participated in a joint exercise with New York City and Australian firefighters before the Sydney Olympics with Mr. Dowdell's father, Kevin Dowdell. Kevin Dowdell later died in the 9/11 attacks and Mr. Frey then returned the helmet to Mr. Dowdell's family. (AP Photo/Susan Walsh)

Photo by: Susan Walsh

Australian firefighter Rob Frey, third from front left, and New York City firefighter James Dowdell, holding helmet, are recognized in a speech by Australian Prime Minister Julia Gillard, not pictured, during an address at a joint meeting of Congress on Capitol Hill in Washington, Wednesday, March 9, 2011. Mr. Frey participated in a joint exercise with New York City and Australian firefighters before the Sydney Olympics with Mr. Dowdell's father, Kevin Dowdell. Kevin Dowdell later died in the 9/11 attacks and Mr. Frey then returned the helmet to Mr. Dowdell's family. (AP Photo/Susan Walsh)