"nearly-identical incident" . "attacked in the Gulf of Oman" . "June 2019 Gulf of Oman incident" . "incident near the Gulf of Oman" . "attacks on tankers" . "second incident" . . "13 June 2019 Gulf of Oman incident" . . "similar incident" . . "attacks on ships in the Gulf of Oman" . . "June" . "June 2019 Gulf of Oman incident" . "Gulf of Oman incident" . "attacks on oil tankers" . . "June 2019" . . . . . "two subsequent blasts" .