First World War machine gun position in base IV:3 in [Krepost Sveaborg](https://en.wikipedia.org/wiki/Krepost_Sveaborg) land front defense line in Rajakylä, Vantaa, Finland. The base was built in 1915 - 1918.
The whole base contains:
* 40 meters of thrench
* 1 machine gun position
* 1 large incomplete shelter room and at least 2 destroyd small shelter rooms
* incomplete artillery position
More info:
* [Location in Google Maps](https://goo.gl/maps/rHBoRECYN2rb2SSE6)
* [Wikipedia: Krepost Sveaborg](https://en.wikipedia.org/wiki/Krepost_Sveaborg)
* [John Lagerstedt , Markku Saari: Krepost Sveaborg](http://www.novision.fi/viapori/eavaus.htm)
* [Finnish Heritage Agency site info](https://www.kyppi.fi/to.aspx?id=112.1000007733) (only in finnish)