(a) What projects were initiated by his department at the Air Defence Artillery School in Kimberley (i) in the (aa) 2010-11, (bb) 2011-12 and (cc) 2012-13 financial years and (ii) since 1 April 2013 and (b) what was the (i) budget, (ii) breakdown of expenditure and (iii) time frame for each project, respectively?