cannon positioned to fire into negative space

armed artillery background black blank bore caliber cannon cascable cloud cloudy cylindrical deck design direction empty fillet fire firing fog foggy forces gun gunpowder header held historical history horizontal inclement knob lacuna large loose low metal military negative newfoundland nova offset oversized position positioned powder power projectile protection quietude range right scotia sepia silence skies sky space stormy supported supports surmounted surrounds template top trunnion two visibility weapon weather white