(a) to establish advanced landing grounds South of Murzuk, from which to carry out air attacks on the aerodromes on the Takoradi route; (b) to raid, in co-operation with aircraft, the aerodromes on the Takoradi route; (c) to carry out a reconnaissance of the Murzuk area, and gain experience in desert operations; (d) to reinforce the Italian garrison in Murzuk as a defensive measure. Selection of the most probable objective. 5. For the reasons advanced in previous J.I.C. papers the maintenance of a mechanised column in the Chad area would be a most difficult undertaking.