During a lunar eclipse, the moon enters the Earth's penumbra.

He is completely nowhere to be seen.

Kageji is my best friend.

Kageichi is my best friend.

He moved agilely to avoid the enemy bullets.

The enemy aircraft invaded our airspace.

We are ready to invade enemy territory.

We are conducting training to devise strategies against hypothetical enemies.

The enemy general is approaching our camp.

Enemy troops are approaching our position.