From: Jacksonville NC
John Ringo was a member of the 82md Airborne as I recall. David Weber was former Military too I think.
His series are all or mostly about conflict. These are all from Baen Books Series , Paladin of Shadows, Empire of Man, Into the looking Glass, Council Wars, Legacy of Aldenata, Troy Rising, Monster Hunter Memoirs, Black Tide Rising.
David Weber has a few series too his most famous are Honor Harrington and Safehold, He has a web page with all his stuff. They are both currently still writing, David Drake is good too but don't know if he is still around.