US President Donald Trump and First Lady Melania Trump attend a military briefing during an unannounced trip to Al Asad Air Base in Iraq on December 26, 2018. - President Donald Trump arrived in Iraq on his first visit to US troops deployed in a war zone since his election two years ago (Photo by SAUL LOEB/AFP/Getty Images)

President Donald Trump hoped to gain public favor by sneaking off to visit troops in Iraq on Christmas night. But his Boxing Day visit drew more criticism than praise for several missteps taken by the President.

Before official visits, previous Presidents received protocol briefings to ensure they followed whatever guidance, regulations and customs required. It is unclear if Trump skips these briefings or disregards them, but none of his visits to any location or event have been without gaffes.

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