Style-wise, NASA has been something of a sleeper hit. Two partnerships with Vans and US designer Heron Preston sold out immediately, making apparel from America's independent space program suddenly cool kid material. Doing his bit to enhance the trend - and his Neil Armstrong biopic First Man - is one Ryan Gosling.

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Bear Grylls//Digital Spy

At Narita International Airport, the actor wore a navy baseball cap that commemorated both Neil Armstrong and the aircraft carrier that recovered Apollo 11: the U.S.S. Hornet. This is golden age space stuff rather than Instagram fodder - a throwback to Cold War times.

Shockingly enough, very niche military merchandise is also very hard to source. Gosling's cap seems to only be available second-hand from eBay, or via the U.S.S. Hornet Museum gift store in Alameda, California. Quite the trip for a baseball cap.