We are conducting training to devise strategies against hypothetical enemies.

The enemy general is approaching our camp.

I am planning to go to Nagasaki next week.

I am researching the history of the old name, Sakou, which is Seattle.

I have been to Sakou.

San Pedro is part of a community in Los Angeles, an old name.

I want to go to San Diego, which used to be called Sanko.

Enemy troops are approaching our position.

He experienced his first encounter with the enemy on the battlefield.

He encountered the enemy on the battlefield.