Move to rename Pentagon could cost tens of millions of dollars, with letterheads and signs needing to be changed; Chicago and Boston brace for troops after Trump’s threats this week

Trump expected to order rebrand of Pentagon as ‘Department of War’

Chicago gears up for Trump’s national guard deployment

Good morning and welcome to our live coverage of US politics where opponents have criticised Donald Trump’s expected move to rebrand the Department of Defense as the “department of war”.

The president is expected to sign an executive order on Friday authorizing the rebrand, the White House said, as part of an attempt to formalize the name change without an act of Congress.