By Russell Hotten http://www.bbc.co.uk
The Paris Air Show in June was notable for the absence of a big US military presence. Defence chiefs and major contractors were hard to spot.
A US Navy aircraft carrier off the Dubai coast is hosting a dinner for 800 official delegates from around the world.
US defence firms are out in force. Little expense seems to have been spared to showcase their fighter jets, bombers and other military hardware.
It all illustrates the importance of this week-long festival of deal-making and schmoozing in the Gulf city-state. More info