 But before the plan could be carried out there should be sufficient Italian troops in both sultanates.To make the enforcement of his plan more viable, he began to reconstitute the old Somali police corps, the Corpo Zaptié, as a colonial force.In preparation for the plan of invasion of the sultanates, the Alula Commissioner, E. Coronaro received orders in April 1924 to carry out a reconnaissance on the territories targeted for invasion.