A possible US aggression against Cuba will have a price for Washington, as Havana is preparing to defend the country's territorial integrity, Cuban President Miguel Diaz-Canel said during military exercises.

"The best way to avoid aggression is for imperialism to be forced to calculate the cost of attacking our country, and this is directly related to our level of preparedness for such military operations," the Cuban president said in his address to participants in the aforesaid military exercises.