Skirmishers take turn???

Do skirmishers take turn when firing??? For example, you position your unit in 2 rows, after the first unit to fire, do the the second row fire while the first row are reloading or do they just stand there? Are front row the only one firing???​

Do skirmishers take turn when firing??? For example, you position your unit in 2 rows, after the first unit to fire, do the the second row fire while the first row are reloading or do they just stand there? Are front row the only one firing???

i think you have to learn that move from the technology tree. look there

They should all fire if they are in range.