How are little ziggies finna defeat the MIGHTY shipping container wunderwaffe?

The Norwegian National Guard, in a world first, has developed a bulletproof guard post container for rapid deployment to secure ports and other facilities.

The Støre Stormbunker features:
>Cover from rain and wind
>Sandbag lined walls (total weight with container: 20 tons)
>Optional plexiglass windows
>Optional oven for heating

https://www.forsvaret.no/heimevernet/aktuelt/trener-i-stalvegger-pa-borg-havn