The oil industry's high profits this year have attracted the attention of US President Joe Biden, who has previously said that the oil sector makes "more money than God"
The drill, one of the largest Israel Air Force drills in years, will include long-range flights such as those that Israeli pilots might need to make in order to reach Iran.
Iran is concerned that Azerbaijan plans to launch an attack on Armenia which could be damaging to Iranian exports.
IAI's Gabriel 5 surface-to-surface missile can hit mobile and stationary targets, on land or at sea.
United Hatzalah respondents simulated rushing to the scene of a strike and treating injuries while the IDF's search and rescue, commando and paratrooper units simulated a mass casualty incident.
Speaking to air force personnel at the Hualien air base on Taiwan's east coast, Tsai said the situation around the Taiwan Strait remained tense and the threat had not gone away.
US and Israel have signed agreement that would see US come to assist Israel with missile defense in times of war.
The drone headed back to China after the shots were fired, the spokesperson said.
The annual summertime exercises were renamed Ulchi Freedom Shield this year and are scheduled to end on Sept. 1.
Wu spoke as military tensions simmer after the scheduled end on Sunday of four days of the largest-ever Chinese exercises surrounding the island.