(1) (a) What is the total number of posts provided in the Directorate of Conventional Arms Control (DCAC) and (b) of these posts, how many are (i) occupied and (ii) vacant; (2) in respect of each specified post, (a) what is the designation of the post, (b) in the case of each occupied post, what is the (i) name and (ii) public service grade of the person appointed and (c) in the case of each vacant post, (i) for how long has the post been vacant and (ii) is there a plan to fill the post; if not, in each specified case, why not; if so, in each specified case, what are the relevant details?