Dry-dock in Guam

Off the island of Guam, we find a floating dry-dock. I’d assumed the cargo was craned into the dry dock, but instead the dry dock slightly submerges itself (just like a submarine) so that the ship (or in this case, a real submarine) can drive into the u-shape of the dry dock. The dry dock then pumps out the water to raise itself and the cargo above the surface. Simple really. Guam have three different floating dry-docks, this is the largest and is worth a staggering $24 million. The submarine is the USS San Francisco which stopped by…

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