tripleset: Al Asad Airbase OPERATING_ORGANISATION United States Air Force
tripleset: United States Air Force BATTLES Invasion of Grenada
annotations.source: webnlg webnlg
annotations.text: The US Air force operates the Al Asad airbase and has previously fought in the Invasion of Grenada. Al Asad Airbase is operated by the United States Air Force who were involved in battles at the Invasion of Grenada.