When the Japanese live translation goes silent because the translators are too stunned to repeat your Pearl Harbor “joke” to the Japanese PM, you’ve officially reached a new level of diplomatic failure.

Those seconds of silence were the most honest reaction of the day.

Trump makes Pearl Harbor joke while meeting with Japanese prime minister

When asked by a reporter about why the U.S. didn't share their Iran war plans with Japan, President Donald Trump said it was necessary for the element of surprise. The president followed this with a joke, saying, "Who knows better about surprise than Japan? Ok, why didn’t you tell me about Pearl Harbor?"

NBC News