Whether there were requests by the South African National Defence Force (SANDF) Commander in the Central African Republic, between 1 January 2012 and the withdrawal of troops, for additional (a) light-armoured vehicles, (b) light aircraft with reconnaissance capability and (c) transport helicopters, and, in each case, (i) what specific (aa) vehicle or (bb) aircraft was requested on each occasion, (ii) what quantity was requested on each occasion, (iii) why were the requests (aa) approved or (bb) denied and (iv) when were the requests made?