Symbol 0279 from ISO 7000 - Title/Meaning: Turret 
Function/description: To identify a turret (for example, on a control which operates a turret).
Own work using: iso.org/obp/graphics/grs/b1e59e96-72b6-4b98-a0df-0f9e60b5eaa8 200.png
Vectorization:  Mrmw