(From left to right) Alek Skarlatos, Airman 1st Class Spencer Stone and Anthony Sadler are greeted with a hero's welcome during the Sacramento Hometown Heroes Parade and festivities at the state capitol building in downtown Sacramento, California, Sept. 11, 2015. The trio of friends are responsible for thwarting a terrorist attack aboard a train headed toward Paris Aug. 21. (U.S. Air Force photo/2nd Lt. Stephen Collier)
Hundreds of people lined the streets of downtown Sacramento to welcome home and honor Airman 1st Class Spencer Stone, Anthony Sadler and Alek Skarlatos. The trio of friends are responsible for thwarting a terrorist attack aboard a train headed toward Paris Aug. 21. (U.S. Air Force photo/2nd Lt. Stephen Collier)
A Sacramento resident and her family gather at the state capitol building in downtown Sacramento, California, to welcome home Airman 1st Class Spencer Stone, Anthony Sadler and Alek Skarlatos during the Sacramento Hometown Heroes Parade and festivities, Sept. 11, 2015. The trio of friends are responsible for thwarting a terrorist attack aboard a train headed toward Paris Aug. 21. (U.S. Air Force photo/Senior Airman Charles Rivezzo)
Airman 1st Class Spencer Stone is greeted with a hero's welcome during the Sacramento Hometown Heroes Parade and festivities at the state capitol building in downtown Sacramento, California, Sept. 11, 2015. Hundreds of people lined the streets of downtown Sacramento to welcome home and honor Stone, Anthony Sadler and Alek Skarlatos. The trio of friends are responsible for thwarting a terrorist attack aboard a train headed toward Paris Aug. 21. (U.S. Air Force photo/Senior Airman Charles Rivezzo)
A C-17 Globemaster III from Travis Air Force Base, California, performs a flyover above the state capitol building in downtown Sacramento, California, during the Sacramento Hometown Heroes Parade and festivities, Sept. 11, 2015. Hundreds of people lined the streets during the parade to welcome home and honor Airman 1st Class Spencer Stone, Anthony Sadler and Alek Skarlatos. The trio of friends are responsible for thwarting a terrorist attack aboard a train headed toward Paris Aug. 21. (U.S. Air Force photo/Senior Airman Charles Rivezzo)
Airman 1st Class Spencer Stone is greeted by Sacramento Mayor Kevin Johnson during the Sacramento Hometown Heroes Parade and festivities at the state capitol building in downtown Sacramento, California, Sept. 11, 2015. (U.S. Air Force photo/2nd Lt. Stephen Collier)
Airman 1st Class Spencer Stone receives a ceremonial key to the city from Mayor Kevin Johnson during the Sacramento Hometown Heroes Parade and festivities in Sacramento, California, Sept. 11, 2015. (U.S. Air Force photo/Senior Airman Charles Rivezzo)
Hundreds of people lined the streets of downtown Sacramento to welcome home and honor Airman 1st Class Spencer Stone, Anthony Sadler and Alek Skarlatos, Sept. 11, 2015. The trio of friends are responsible for thwarting a terrorist attack aboard a train headed toward Paris Aug. 21. (U.S. Air Force photo/Senior Airman Charles Rivezzo)