Parade goers enjoy the music of street musicians outside a metro stop after attending the inaugural parade honoring President Barack Obama, Monday, Jan. 21, 2013, in Washington. Photo Credit: (NASA/Paul E. Alers)
A parade-goer holds dressed in a Stars and Stripes coat waves a flag while watching the 2013 Inaugural Parade honoring President Barack Obama, Monday, Jan. 21, 2013, along Pennsylvania Avenue in Washington. Photo Credit : (NASA/Paul E. Alers)
A woman bundled up for the cold temperatures makes a picture with here mobile device as she waits for the Inaugural Parade honoring President Barack Obama, Monday, Jan. 21, 2013, in Washington. Photo Credit: (NASA/Paul E. Alers)
NASA employees, led by flag-bearer Marquell D. Proctor from Bishop Macnamara High School, march along Pennsylvania Avenue during the inaugural parade honoring President Barack Obama, Monday, Jan. 21. 2013, in Washington. Obama was sworn-in as the nation's 44th President earlier in the day. Photo Credit: (NASA/Bill Ingalls)
President Barack Obama waves as he walks along Pennsylvania Avenue during the inaugural parade, Monday, Jan. 21, 2013, in Washington. Obama was sworn-in as the nation's 44th President earlier in the day. Photo Credit: (NASA/Bill Ingalls)
A replica of NASA's Curiosity Rover and members of the Mars Science Laboratory (MSL) science team pass the Presidential viewing stand and President Barack Obama during the inaugural parade honoring Obama, Monday Jan. 21, 2013, in Washington. Obama was sworn-in as the nation's 44th President earlier in the day. Photo Credit: (NASA/Bill Ingalls)
Vice President Joe Biden and his wife Jill wave as they arrive in the reviewing stand for the inaugural parade, Monday, Jan. 21, 2013, in Washington. President Barack Obama and Biden had their ceremonial swearing-in earlier in the day. Photo Credit: (NASA/Bill Ingalls)
A replica of NASA's Curiosity Rover and members of the Mars Science Laboratory (MSL) science team pass the Presidential viewing stand and President Barack Obama during the inaugural parade honoring Obama, Monday Jan. 21, 2013, in Washington. Obama was sworn-in as the nation's 44th President earlier in the day. Photo Credit: (NASA/Bill Ingalls)
First lady Michelle Obama waves as she walks along Pennsylvania Avenue during the inaugural parade, Monday, Jan. 21, 2013, in Washington. Obama was sworn-in as the nation's 44th President earlier in the day. Photo Credit: (NASA/Bill Ingalls)
The Orion space capsule along with NASA Astronauts Lee Morin, Alvin Drew, Kjell Lindgren, Serena Aunon, Kate Rubins, and Mike Massimino pass the Presidential viewing stand and President Barack Obama during the inaugural parade honoring Obama, Monday Jan. 21, 2013, in Washington. Obama was sworn-in as the nation's 44th President earlier in the day. Photo Credit: (NASA/Bill Ingalls)
The Orion space capsule along with NASA Astronauts Lee Morin, Alvin Drew, Kjell Lindgren, Serena Aunon, Kate Rubins, and Mike Massimino pass the Presidential viewing stand and President Barack Obama during the inaugural parade honoring Obama, Monday Jan. 21, 2013, in Washington. Obama was sworn-in as the nation's 44th President earlier in the day. Photo Credit: (NASA/Bill Ingalls)
Vice President Joe Biden and his wife Jill wave as they walk along Pennsylvania Avenue during the inaugural parade, Monday, Jan. 21, 2013, in Washington. President Barack Obama and Biden had their ceremonial swearing-in earlier in the day. Photo Credit: (NASA/Bill Ingalls)
President Barack Obama kisses first lady Michelle Obama while seated in the presidential reviewing stand during the inaugural parade, Monday, Jan. 21, 2013, in Washington. Obama was sworn-in as the nation's 44th President earlier in the day. Photo Credit: (NASA/Bill Ingalls)
Members of The U.S. Army Band, Herald Trumpets Ensemble, look to make sure their feet are on markers in front of the Preidential viewing stand ahead of the 2013 Inauguration Parade, Monday, Jan. 21, 2013 in Washington. President Barack Obama was sworn-in as the nation's 44th President earlier in the day. Photo Credt: (NASA/Bill Ingalls)
The U.S. Army, Old Guard Fife and Drum Corps marches past the the Presidential viewing stand during the inaugural parade honoring President Barack Obama, Monday Jan. 21, 2013, in Washington. Obama was sworn-in as the nation's 44th President earlier in the day. Photo Credit: (NASA/Bill Ingalls)
The Orion space capsule is seen as it rolls down Pennsylvania Avenue during the inaugural parade honoring President Barack Obaama, Monday Jan. 21, 2013, in Washington. Obama was sworn-in as the nation's 44th President earlier in the day. Photo Credit: (NASA/Carla Cioffi)
The Orion space capsule is seen as it rolls down Pennsylvania Avenue during the inaugural parade honoring President Barack Obaama, Monday Jan. 21, 2013, in Washington. Obama was sworn-in as the nation's 44th President earlier in the day. Photo Credit: (NASA/Carla Cioffi)
The Orion space capsule is seen as it rolls down Pennsylvania Avenue during the inaugural parade honoring President Barack Obama, Monday Jan. 21, 2013, in Washington. Obama was sworn-in as the nation's 44th President earlier in the day. Photo Credit: (NASA/Carla Cioffi)
The Orion space capsule is seen as it rolls down Pennsylvania Avenue during the inaugural parade honoring President Barack Obama, Monday Jan. 21, 2013, in Washington. Obama was sworn-in as the nation's 44th President earlier in the day. Photo Credit: (NASA/Carla Cioffi)
Ken Wheeler and his daughter Kayla listen intently to President Barack Obama's speech following his swearing in as they stand along Pennsylvania Avenue in Washington, Monday, Jan. 21, 2013. The Wheeler's traveled from Cincinnati, Ohio to attend the event. Photo Credit: (NASA/Paul E. Alers)
Parade goers shop for souvenirs from a street vendor prior to the swearing in ceremony of President Barack Obama, Monday, Jan. 21, 2013, in Washington. Street vendors lined the streets of Washington, Monday to commemorate the nation's 44th President. Photo Credit: (NASA/Paul E. Alers)
The presidential limousine is seen traveling up Pennsylvania Avenue soon after President Barack Obama departed the White House for Capitol Hill and the swearing-in of Obama as the nation's 44th President, Monday, Jan. 21, 2013, in Washington. Photo Credit: (NASA/Carla Cioffi)