WEAPONS SYSTEMS - A combination of one or more weapons with all related equipment, materials, services, personnel and means of delivery and deployment required for self-sufficiency.
A weapons system involves more than one weapon.
A weapons system can just be one missle.
What if he never showed up?
Mary thought Poirot won't be gone for too long and will be back home soon, but she was wrong.
A man is angry
Danvers, he yelled.
Someone is riding a motorized vehicle.
A woman is yelling at her dog.