Weapons officer

Weapons officer may refer to:

• Infantry Weapons Officer, a United States Marine Corps chief warrant officer who is a technical weapons specialist
• Weapon systems officer (WSO), either a United States Navy air flight officer directly involved in all air operations and weapon systems of a fighter aircraft or the aft crew member in a United States Air Force F-15E Strike Eagle or B-1 Lancer or a United States Marine Corps F/A-18D Hornet