The bright sunlight poured through the glass into the room, filling the entire room with a warm atmosphere, and Leonard Ethan and Joan were deep in thought, illuminated by the sunlight, looking at those documents hoping to find a solution to the current problem.
Facing these drawings that had been deliberately stripped of all explanatory text and only left with standard data, it was difficult to understand their origin even if there was a clue.
"This document might provide some clues." After looking through a series of documents, Leonard Ethan took out a portion of the drawings and said, "At least compared to other weapons, this one is more unique."'
Having heard Leonard Ethan's words, Joan curiously looked over and noticed that the drawings in his hand were for a 150mm howitzer.
The larger the caliber of the weapon, the fewer countries that have used it. So, not many countries have used a 150mm howitzer before, and typically, with no detailed records.
