The massive undertaking reflects the extraordinary security concerns that have gripped Washington following the deadly Jan. 6 insurrection at the U.S. Capitol by pro-Trump rioters.
Small groups of right-wing protesters — some of them carrying rifles — gathered outside heavily fortified statehouses around the country Sunday, outnumbered by National Guard troops and police brought in to prevent a repeat of the violence that erupted at the U.S. Capitol.
U.S. and Italian paratroopers conduct airborne operations in Italy, National Guard troops arrive in Washington for Inauguration Day events, and more in this week's Frontline Photos.