Lieutenant General Wyche retired from active duty on 1 September 2017 culminating a 35 year career as Deputy Commanding General/Chief of Staff, United States Army Materiel Command. 

Over his 35 year career, General Wyche served in a variety of command and staff positions.  His command assignments include Deputy Commanding General, United States Army Materiel Command, Redstone Arsenal, Alabama; Commanding General, United States Army Combined Arms Support Command and the Sustainment Center of Excellence, Fort Lee, Virginia; Commanding General, Joint Munitions Lethality, Life Cycle Management Command/Joint Munitions Command, Rock Island, Illinois; Commander, 10^th Sustainment Brigade with duty as Command, Joint Logistics Command, Combined Joint Task Force-76, Bagram Airfield, Afghanistan OPERATION ENDURING FREEDOM, Afghanistan; Commander, 4^th Forward Support Battalion, 4^th Infantry Division (Mechanized), Fort Hood, Texas; Commander, 114^th Quartermaster Company, 2^nd Quartermaster Group, Eighth United States Army, Korea.  

His senior staff assignments include Chief of Staff, United States Army Materiel Command, Redstone Arsenal, Alabama; Deputy Chief of Staff for Logistics and Operations, United States Army Materiel Command, Redstone Arsenal, Alabama; Director for Strategy and Integration, Office of the Deputy Chief of Staff, G-4, United States Army, Washington, DC; Chief, Initiatives Group, later Chief, Focused Logistics Division, Force Development Directorate, G-8, United States Army, Washington, DC.

General Wyche is authorized to wear the Distinguished Service Medal (with 3 Bronze Oak Leaf Clusters), Legion of Merit (with 1 Bronze Oak Leaf Cluster), Bronze Star Medal, Defense Meritorious Service Medal, Meritorious Service Medal (with 2 Bronze Star Clusters), Army Commendation Medal (with three Bronze Oak Leaf Clusters), Joint Service Achievement Medal (with 1 Bronze Oak Leaf Cluster), Army Achievement Medal (with 1 Bronze Oak Leaf Cluster), and the Parachutist Badge.