Patriot surface-to-air missile system used during the US and Philippine joint military training on April 24, 2023. (Photo: Reuters)

The Patriot surface-to-air missile system and Stinger missiles were used during the training. The exercise is an annual joint military training, which is taking place in the Philippines from April 11 to April 28.

Around 17,600 troops, the most ever, are participating in drills intended to enhance interoperability.