Iran tested a high-speed torpedo on Sunday that is capable of reaching speeds of 200 knots per hour, according to a U.S. official. The test was conducted in the Strait of Hormuz, the vital waterway between the Persian Gulf and the Arabian Sea.

The Hoot torpedo has been tested over the past decade, with the most recent test taking place in February, 2015. It is believed it is able to reach a speed four times faster than the top speed of traditional torpedoes.

According to the U.S. official, the torpedo was tested on Sunday in an area directly south of Bandar Abbas, home to an Iranian naval base located along the Strait of Hormuz. […]