The RBS 15 (Robotsystem 15) is a long-range fire-and-forget surface-to-surface and air-to-surface anti-ship missile. The later version Mk. IV has the ability to attack land targets as well. The missile was developed by the Swedish company Saab Bofors Dynamics.The RBS 15 Mk. IV Gungnir ordered in March 2017 by Sweden. Has better range, a better seeker and lower weight. It has the ability to knock out a wide range of sea and land targets, all-weather capability and a modular design that allows for future upgrades. To be carried by Visby-class corvettes and JAS Gripen E. Will be delivered between 2017 and 2026 and fully operational in the mid-2020s. RBS 15Mk4 and RBS Mk4 Air was earlier known as RB 15Mk3+ & RB 15F-ER, RBS 15 Gungnir is the system level name.