Aircraft in the Baltics with GPS interference: Is Russia behind it?. Alternative navigation system is being tested in the Baltic Sea ‘Navigation warfare’ is the general military term for weakening the enemy with this type of warfare.
The use of satellite navigation has become very widespread in everyday life. The signals are used to determine one's own position and for planning in vehicles. They are also relevant for automated processes such as in agriculture. Due to increasing automation – it is important to “develop effective countermeasures”