He likes to take a walk in the park at dusk.

In our company, we always adhere to the principle of safety first.

The agenda of the Security Council is an important issue related to national security and defense.

He is undergoing training for extravehicular activity.

He engaged in an extravehicular activity from the spaceship.

We crossed the sea by catamaran.

The shipworm is known for eating wood.

We should always remember the power of Kannon in difficult times.

The Security Council is the main organization for maintaining international peace and security.

The National Security Council was convened to make important policy decisions.