Jason K. Morrell/Twitter Critics have attacked Trump after North Korea released footage of the US President saluting a North Korean general. The White House has defended his actions, arguing that it was a "common courtesy" and he was simply returning a salute from the general. One retired US major general said: "It is wholly inappropriate for the commander in chief of our armed forces to salute the military of our adversary." The White House is defending President Donald Trump's decision to return a military salute to a North Korean three-star general as a "common courtesy." Presidential spokeswoman Sarah Huckabee Sanders said Thursday that "It's a common courtesy when a military official from another government salutes, that you return that."See the rest of the story at Business InsiderNOW WATCH: What humans will look like on MarsSee Also:Nevada is weighing a ban on brothels as the state's most famous legal pimp runs for officeNorth Koreans have no idea that Kim Jong Un is meeting with TrumpTrump arrives in Singapore for the unprecedented US-North Korea summit after bombshell G7 blowup