The first of four German air defence systems is being used by Ukrainian forces in the south of the country.
According to a spokesman for the Air Force Command, the IRIS-T Surface Launched Missile system cannot be found anywhere else in the world – with Germany providing four of the weapons systems.
But what is IRIS-T and how is it helping the Ukrainian military?
It is capable of stopping Russian cruise missiles destroy Ukrainian cities, providing medium-range, high-altitude cover.
IRIS-T has a missile range of 25 miles, radar range of 155 miles and missile altitude of 12.5 miles – with the missiles using infrared imaging to identify targets.