Congress is meeting this week to certify the Electoral College results, and President Donald Trump has refused to concede while whipping up support for protests.
A spokesman for the U.S. Army Corps of Engineers, which oversees construction paid with military funds reappropriated by Trump under a national emergency declaration, declined to speculate what actions the Biden administration may take.
President-elect Joe Biden is facing escalating pressure from competing factions within his own party as he finalizes his choice for secretary of defense.
Former military leaders calling for troops to oversee a presidential vote recount under martial law raised alarms for constitutional scholars and military-civilian experts.