Singapore, Dec. 8 -- The Republic of Singapore Air Force (RSAF) will set up a fighter training detachment in the United States territory of Guam under an agreement inked by Singapore and the US on Friday, in a sign of deepening defence ties between the two countries.

The permanent fighter training presence at Andersen Air Force Base will be the RSAF's sixth long-term unit overseas and the closest geographically to Singapore.

There are currently three other such detachments in the US - two in Arizona and one in Idaho - as well as one in Queensland, Australia, and one in Bordeaux, France.

Singapore's tight airspace constraints leave little room to train its fighter pilots at home.

The Defence Ministry said that the vast training airsp...