Meet Pfc. Caleb GreenJOINT BASE LEWIS-MCCHORD, Wash. - Pfc. Caleb Green, from Jamestown, Ohio, is an Advanced Field Artillery Tactical Data System (AFATDS) operator currently serving in 17th Field Artillery Brigade, Headquarters and Headquarters Battalion.The AFATDS calculates rounds fired on the battlefield to ensure that the Army's long-range weaponry hits its target.During Warfighter Exercise 19-1, an organizational exercise, that includes units from across America's First Corps and attached units from the Army National Guard, Green has the opportunity to hone his skills as an operator through simulated battle drills."We fight the long distance fight," said Green " we shoot a lot of big rounds here, its my job to make sure they get to where they need to be."Growing up in a military family, the idea of joining the Army was an easy choice for Green, but being colorblind made joining a little difficult."I didn't know what I would be allowed to do when I went to speak to the recruiters," said green, "but once the options were given to me I knew this was the job for me."Green has served in the Army for nearly 2 years and plans to continue serving, while take advantage of all the schooling he can do."If I could give any advice for anyone coming into the Army it would be to learn as much as you can," Green said.