I can't compete with his skills, he really is talented.

There is no one who can rival his skills.

He killed the enemy with a sword.

He explored the deep sea in a submersible.

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.