Task: Translation
Input (English): During this he worked as a Joint terminal attack controller (JTAC) and was involved in major operations on the frontline against Taliban forces.
Output (Filipino): Sa panahong ito, siya ay nagtrabaho bilang isang Joint terminal attack controller (JTAC) at nasangkot sa pangunahing operasyon sa pang-unang linya laban sa puwersa ng Taliban.