Priming the exterior of a large ship - GIF

Priming the exterior of a large ship.

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Previously:

Cargo ship breaks in half - video
Container ship cross-section - photo
Container ship departing New York - GIF
Cruise ship propellers destroy marina - GIF
Docking in high winds using the ship's anchor - GIF
Helicopter lands on ship in rough seas
How a ship transits the Panama Canal - GIF

It looks like the primer has already been applied. It seems they are applying the topcoat.

I think it’s been grit blasted and it’s been left too long before they primed it. They are painting over rust.