Helipad marking slab (Cold War Missile Silo and Command Bunker)

A 15 m concrete helipad: a scored slab with expansion joints, a raised touchdown circle and abstract aiming cross, four corner markers, twelve perimeter lights on stems, a windsock mast and a grounding point. Abstract markings only, no insignia or lettering.

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CC0 — free for any use, no attribution required