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TRANSIENT: Docked military vessel
Looks like a US Coast Guard High Endurance Cutter. You can see the gun turret on the bow and a helicopter on the faintail.
UNKNOWN: Earthen trenches (1.10 mi / 1.76 km)
Cuzco Beach Naval Cemetery (1.37 mi / 2.21 km)
UNKNOWN: Earthen rings (1.55 mi / 2.49 km)
Guantanamo Bay detainment camp (3.00 mi / 4.83 km)
Guantanamo Bay detainment camp (3.40 mi / 5.47 km)
Guantanamo Bay detainment camp (3.81 mi / 6.12 km)
Guantanamo Bay (5.70 mi / 9.17 km)
Antonio Maceo Monument (43.96 mi / 70.75 km)
JosÚ MartÝ's mausoleum (45.43 mi / 73.11 km)
San Pedro de la Roca Castle (UNESCO) (46.51 mi / 74.84 km)