Najin, Namp'o, Wonsan; secondary - Haeju, Kimchaek, Kosong, Sinuiju, Songnim, Sonbong (formerly Unggi), Ungsang Merchant marine: 344 ships (1,000 GRT or over) totaling 6,765 GRT/10,597 DWT; includes 84 cargo, 3 railcar carrier, 50 bulk; Bulgaria owns 1 ship (1,000 GRT or over) totaling 445,330 GRT/756,018 DWT; includes 15 passenger, 36 short-sea passenger, 91 cargo, 12 refrigerated cargo, 26 container, 15 oil tanker, 2 specialized tanker, 10 liquefied gas, 3 bulk Airports: total: 26 useable: 15 with permanent-surface runways:
descriptive