Former Secretary of State Colin Powell on Sunday will vouch for the nomination of Chuck Hagel to lead the Defense Department during a scheduled appearance on "Meet The Press," a spokeswoman for NBC News announced via Twitter. 

Exclusive on @meetthepress Sunday: Colin Powell speaks out in support of fellow Vietnam vet Chuck Hagel for SecDef

— Erika Masonhall (@ErikaMasonhall) January 9, 2013