The strike on a suspected Venezuelan drug-smuggling boat is raising questions about how far Trump will wield his presidential power over the military.
As Trump has dramatically stepped up his use of military force for his policy goals, fellow Republicans in Congress have done little but cheer him on.
The order comes as some of President Trump's closest supporters on Capitol Hill proposed legislation that would codify the new name into law.
President Donald Trump plans to sign an executive order to rebrand the Department of Defense as the Department of War.
