The largely non-partisan website politifact has rated this claim mostly true. When someone talks about Obama "destroying our military," be sure to show them this.
Obama: US spends more on military than next 8 nations combined
Obama: US spends more on military than next 8 nations combined
"I told you earlier all the talk of America’s economic decline is political hot air. Well, so is all the rhetoric you hear about our enemies getting stronger and America getting weaker," Obama said in his last annual State of the Union address Jan. 12, 2016. "Let me tell you something: The United States of America is the most powerful nation on Earth. Period. Period. It’s not even close. It’s not even close. We spend more on our military than the next eight nations combined."