It's not the department of war. Don't call it that. > However, only an act of Congress can legally and formally change the department's name and secretary's ti

It's not the department of war. Don't call it that. > However, only an act of Congress can legally and formally change the department's name and secretary's title, so "Department of Defense" and "secretary of defense" remain legally official. https://en.wikipedia.org/wiki/United_States_Department_of_Defense https://en.wikipedia.org/wiki/United_States_Department_of_De...