
Seth Wenig / AP
In this July 4, 2012 file photo, Army Sgt. Brendan Marrocco of Staten Island, N.Y., left, Marine Cpl. Todd Love of Atlanta, Ga., center, and Marine Cpl. Juan Dominguez of Deming, N.M., pose for a picture at the 9/11 Memorial in New York.

Seth Wenig / AP
In this July 4, 2012 file photo, Army Sgt. Brendan Marrocco of Staten Island, N.Y., wearing a prosthetic arm, poses for a picture at the 9/11 Memorial in New York. Marrocco, 26, the first soldier to survive losing all four limbs in the Iraq war, has received a double-arm transplant in Baltimore.