American author analyst Robert Morton: Iran does not need to defeat the US military in a direct confrontation. Using drones and missiles, this country can gradually erode American defense power, so that protecting American forces becomes more difficult and expensive. It's the kind of threat that builds slowly over time and the Pentagon is worried about it and afraid of it.

American author analyst Robert Morton: Iran does not need to defeat the US military in a direct confrontation. Using drones and missiles, this country can gradually erode American defense power, so that protecting American forces becomes more difficult and expensive. It's the kind of threat that builds slowly over time and the Pentagon is worried about it and afraid of it.