The area bordering Pakistan is a contentious one, with it serving as a center for protests by the Baloch minority in Iran.
After an alleged Israeli airstrike that hit Aleppo International Airport, Syria says it will reroute earthquake aid.
This is one of several Iranian underground air force bases to have been built in recent years throughout the country.
It's not entirely clear why Iran wants its relatively small and historically unimportant navy to travel around the world.