In the southern waters of Tianshui City.
Three cannon warships were conducting a firing test at a distance of one thousand five hundred meters.
Of course, for this budding navy, such a distance was nothing short of a fantastical tale.
Suo Lun was a liberal arts student and had no understanding of ballistics; he could only let these people grope their way forward.
To make for a slightly better starting point, the first batch of artillerymen that Suo Lun recruited were either former trebuchet strongmen or elite archers. These people had at least some expertise in long-range attacks.
These one thousand people spent the previous month learning mathematics and geometry.
In the absence of cannons, they had used heavy crossbows and trebuchets to study projectile trajectories.