US forces will conduct a multi-day air exercise in the Middle East as Washington bolsters its military presence in the region amid tensions with Iran.

Iran, Russia, and China conducted joint military drills near the Strait of Hormuz as US threats against Iran intensify and regional actors prepare for possible escalation.

The operation, Steadfast Dart, comes as President Trump has been accused of undermining the alliance and will be watched closely to see how well the allies manage without their most important partner.

Chinese state media videos and a map of live-fire exercises around Taiwan have displayed Beijing’s strategy to impose an aerial and maritime blockade on the island. Here’s how China could threaten both Taiwan and global trade in case of a military conflict.

Starting Wednesday night, the U.S. military will be conducting training exercises in Phoenix, according to an advisory from the Phoenix Police Department posted to Facebook. The exercises will occur primarily in the “evening and night hours,” according to the post, and will continue through Feb. 13.

​From drones and missile systems to advanced fighter jets, the military’s annual Spring drills put a wide range of capabilities on display. The exercises underscore how Taiwan’s military is evolving to meet the demands of modern warfare.

People in parts of Phoenix could see what resembles military activity, according to police, as a training exercise is taking place from now until February.

The Phoenix Police Department advised that these exercises are not immigration enforcement.

Exercises are being carried out Jan. 21 and Feb. 13 at locations owned by Phoenix and will primarily happen during the evening and night.

Phoenix Police say people could see what resembles military activity in the coming weeks, as military training exercises take place in parts of Phoenix.