Eric Walker removed Self-propelled anti-aircraft gun (SPAAG) from Anti-aircraft warfare

Eric Walker placed Self-propelled anti-aircraft gun (SPAAG) under Air defense systems

Eric Walker placed Air defense systems under Anti-aircraft warfare

Eric Walker added "Self-propelled air defense system (SPAD)" to Self-propelled anti-aircraft gun (SPAAG)

Eric Walker added "Anti-aircraft vehicle" to Self-propelled anti-aircraft gun (SPAAG)

Eric Walker added Self-propelled anti-aircraft gun (SPAAG) to Anti-aircraft warfare

Eric Walker added Anti-aircraft warfare - Wikipedia to Anti-aircraft warfare

Eric Walker added Anti-aircraft warfare to Military aircraft