Harold Knudsen’s Army career spans twenty-five years of active duty service and includes seven resident career artillery, command, and staff schools, and colleges. He has many years of tactical experience in the integration of fire support into maneuver plans and fire control computation for cannon units. He spent nine years in Germany training in offensive armored warfare, as well as peacekeeping and counterinsurgency training. A combat veteran of Desert Storm, he performed extensive artillery fire planning and execution in support of the US breakthrough of the Iraqi line and penetration into Iraq. Later, he also served in the Iraq Campaign at MNC-I in Baghdad. His years of staff work at the Corps, Army, and Pentagon levels give him a strong understanding of army operations from the lowest to highest levels. His new book on General Longstreet draws heavily from 20th-century Army doctrine, field training, staff planning, command, and combat experience. As well as his civilian education in the historical method of research from his college education at Lake Forest College and Georgetown University.