Oman
The IRGC claimed a "heavy and surprise" attack on logistics support centres and refuelling platforms used by US aircraft carriers at the port of Duqm in Oman, according to IRIB. The IRGC's public relations office told IRIB the sites were "destroyed" in the attack.
Qatar
The IRGC said it also targeted Qatar's Al Udeid airbase with ballistic missiles and claimed to have destroyed a fighter plane maintenance centre, as well as a command-and-control centre at the base.
Kuwait
Iran's army said it used explosive drones to target a Patriot air defence system, an ammunition depot and a radar site belonging to the US military in Kuwait.
Bahrain
In another wave of drone attacks, Tehran targeted a US communications system and radar site in Bahrain.
Jordan
The IRGC said it targeted US military facilities at Prince Hassan airbase in Jordan with several ballistic missiles, and claimed to have destroyed a command-and-control centre at the base, as well as hangars housing MQ-9 drones.