
This image released by House Minority Leader Nancy Pelosi's office, shows Rep. Gabrielle Giffords, D-Ariz. , left, and Pelosi, right, posing with Giffords husband, former astronaut Mark Kelly of the Navy, at his retirement ceremony with Vice President Joe Biden in the Old Executive Office Building on the White House complex in Washington, Thursday, Oct. 6, 2011. The visit marks Giffords second trip to Washington since she was shot in the head last January while meeting with constituents in her district. Aides said Giffords planned to conduct no congressional business and would return to Houston shortly after the ceremony to continue her rehabilitation.

In this image released by the White House, Vice President Joe Biden speaks at Navy Capt. Mark Kelly, left and Kelly's wife Rep. Gabrielle Giffords, D-Ariz. , right, listen during Kelly's retirement ceremony in the Secretary of War Suite in the Eisenhower Executive Office Building on the White House complex in Washington, Thursday, Oct. 6, 2011.

In this image released by the White House, Navy Capt. Mark Kelly speaks at his retirement ceremony as Vice President Joe Biden, left, and Kelly's wife Rep. Gabrielle Giffords, D-Ariz. , seated fourth from right, listen in the Secretary of War Suite in the Eisenhower Executive Office Building on the White House complex in Washington, Thursday, Oct. 6, 2011.

In this image released by the White House, Rep. Gabrielle Giffords, D-Ariz. , listens as her husband, Capt. Mark Kelly speaks at his retirement ceremony in the Secretary of War Suite in the Eisenhower Executive Office Building on the White House complex in Washington, Thursday, Oct. 6, 2011.

Captain Mark Kelly hugs his wife U.S. Representative Gabrielle Giffords (D-AZ) after receiving the Legion of Merit from U.S. Vice President Joe Biden during Captain Kelly's retirement ceremony in the Secretary of War Suite in the Eisenhower Executive Office Building in Washington, October 6, 2011. This marks only the second visit to Washington for Giffords since she was shot through the head in a January 8 shooting spree in Tucson that killed six people and wounded 12 others.