Surgical removal of part or all of the colon. colectomy. surgical excision of part or all of the colon, performed to treat cancer of the colon, diverticulitis, or severe chronic ulcerative colitis. For several days before surgery a low-residue diet is prescribed.
Airborne Rangers are a direct-action force of raiders. The U.S. Army website describes a regiment of Airborne Rangers as a lethal, agile and flexible force.. They must maintain a state of combat readiness and, when deployed, are asked to complete complex, often dangerous missions.
The soldiers who make up the Army National Guard Special Forces are unique professionals with an unconventional method for waging war and an innovative approach to winning. They are the best at what they do. Their training, intelligence, courage and esprit de corps make them so. The 19th and 20th Special Forces Groups (Airborne) of the Army National Guard have units located across the United States of America with both 18 Series (Green Beret) positions and Airborne SOF Support positions.