'Flying gunboats?' Trump mocked for nonsensical tweet vowing to 'shoot down' Iranian ships
Donald Trump speaking on July 16, 2015 (Michael Vadon/Flickr)

President Donald Trump tried to project strength against Iran's military -- but he opened himself up to mockery when he seemed to suggest that the Iranians were deploying flying boats.

"I have instructed the United States Navy to shoot down and destroy any and all Iranian gunboats if they harass our ships at sea," the president wrote.

Typically, however, you can only "shoot down" things that are up in the air, such as airplanes or aerial drones.

Given this, Trump was swiftly mocked for his nonsensical military strategy -- check out some reactions below.