海军 (hǎi jūn): navy

His older brother served in the navy for ten years and often went out to sea on warships for missions.

In this joint maritime exercise, the Chinese navy sent two destroyers and one supply ship to participate.

When Grandpa was young, he served in the navy, and even now he often tells us about life on the ship.

On Navy Day, many citizens came to the port to visit the warships and take photos with naval officers and soldiers.

In order to protect the security of the country's territorial waters, the navy needs to constantly update its equipment and strengthen training.