He was trained at the now defunct Eaton Hall OCS in the UK from July 1954 until November 1954 when he was short service commissioned Lieutenant, backdated to March 1952.
Walbe gained notoriety as a conspirator in the July 1966 countercoup which resulted in the murder of the second Nigerian Head of State, General Aguiyi Ironsi and the Military Governor of the Western Region, Lt Colonel Adekunle Fajuyi.