Greece's air-defense capabilities will soon be getting an upgrade. That's the chief takeaway from the country's recent vote by the Special Permanent Parliamentary Committee on Armaments Programs and Contracts, anyway. It approved a 4 billion euro ($4.6 billion) investment in new defensive technologies like Israeli-made surface-to-air missiles, which are capable of better protecting the nation's skies and seas from a range of military threats, including aerial drones and enemy aircraft. Image source: Getty ...