military base, called henoko, next to camp schwab. it's set to replace an aging airfield, farther south. >> so the toguchi family lives in the village right over here and you can see across the bay, the place where the new base is supposed to be built. there are plans for multiple runways, helipads, an ammunition and fuel depot and also a pier for docking large ships. >> opposition to the new base is growing louder and sometimes, breaks into confrontations. >> they're saying they're protecting us, but actually i don't think so... like, yeah. i'm afraid of them doing a war here. >> today okinawa hosts half of the 50,000 american troops based in japan. japan and the u.s. say america's presence here is needed to keep stability in a region where tensions with china and north korea are rising, but the city's mayor told us he wants the u.s. military to leave. >> it's true that both the japanese and american governments view us as the strategic point of military presence, but i think that also means we can be a hub for international trade an