Second Investigation Department
| Antrasis operatyvinių tarnybų departamentas | |
| Agency overview | |
|---|---|
| Formed | 27 October 1918 (restored 1 June 1990) |
| Jurisdiction | Ministry of National Defence |
| Headquarters | Jankiškių g. 50, LT-02300 Vilnius, Lithuania |
| Agency executive |
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The Second Investigation Department or AOTD (Lithuanian: Antrasis operatyvinių tarnybų departamentas) is a Lithuanian intelligence agency under the Ministry of National Defence. It conducts military intelligence as well as intelligence and counterintelligence in the areas of defense.