The weapon is called "Piorun", which means lightning in Swedish, and is a weapon that can be fired from the shoulder.
The advantage is that it can be provided to different units with relatively easy training, says Christer Mellgren, project manager at the Defence Materiel Administration, to the radio.
It is possible to put them on sleds and take them to units that are far out or put them on trucks or combat vehicles and take them out.
How many weapons the three billion will cover is not known.
