With reference to each of the searches of airfields and aircraft conducted by the SA Police Services (SAPS) since 1 February 2010, (a) what was the (i) nature, (ii) reason, (iii) date and (iv) outcomes, (b) in terms of which legislation were these searches conducted, (c) which SAPS members in terms of (i) rank and (ii) qualifications, participated in the search and (d) what criteria qualified the said staff to participate?