Skills + Weapon System + Ammo = Accuracy

[kayaker55]

My nephew (U.S.M.C. / Reserves 15+ years) recently returned from another tour in Afghanistan. We started talking about gear, equipment, and training. I asked him about accuracy because our discussion reminded me of something Stan emphasized during training one day.
My nephew showed me this:
www.marinecorpstimes.com/news/2012/06/marine-record-setting-long-shot-artillery-strike-m777-063012w/