His grandfather was an officer in the Japanese Army.

The continental slope is a part of the seafloor topography, connecting the continental shelf and the deep sea floor.

As his name 'Son' suggests, he is a very modest person.

I am planning to travel to Hokuriku next week.

The American continent is where diverse cultures and nature coexist.

Rikuchū is a former place name in Japan, referring to a part of present-day Iwate Prefecture.

An intercontinental ballistic missile is a weapon with a very large destructive power.

The launch of intercontinental ballistic missiles has become an international issue.

The Republic of South Africa is located at the southernmost tip of the African continent.

When he was young, he belonged to the Imperial Army.