The Ground Self-Defense Force is responsible for Japan's defense.
We could see lights on land from the ship.
I joined the track and field team in high school.
The ship ran aground on land because of the typhoon.
Turtles live both in water and on land.
陸上 means 'on land', contrasting with 海中's meaning of 'in the sea'.
陸上 means 'on land', the direct opposite of 洋上, which means 'on the sea'.
overland transport; land carriage
athletic field; athletics stadium; track-and-field venue