Improved Anti-Air Upgrade I Technology ID

The research ID for Improved Anti-Air Upgrade I in Hearts of Iron IV is antiair3.

Improved Anti-Air Upgrade I

Artillery1941

Unlock this technology with the research command and the tech ID antiair3.

About this technology

As radar systems improve, employing radar direction of anti-aircraft guns becomes more viable. Keeping up with this technology will allow us to make some of the most accurate anti-air systems available.