In the wake of the gas dispute , Ukraine responded with threats to charge higher rent for the base in Sevastopol that houses the Black Sea Fleet 's dozens of ships and 14,000 sailors under a lease set to expire in 2017 .
Sevastopol
Ukraine
/location/administrative_division/country
Ukraine
Sevastopol
/location/country/administrative_divisions
Ukraine
Sevastopol
/location/location/contains
LOCATION
Ukraine
LOCATION
Sevastopol