mtoroshanga. as the OP your opening post has been authoritatively answered politely and correctly by those above. As your subsequent post merely repeats your original in its attitude and philosophy nothing that I write is likely to change your mind. I therefore sincerely hope for your sake, but more particularly others, that you are not subject to UK Military Law. If you are I suggest you change your own mind and/or your employer. Lt Calley, US Army thought much the same way as you and ended up doing a long stretch in Military Detention. He gave an illegal order. Those who obeyed it committed illegal acts. Everyone from new recruit to 4* needs to be very clear in their own mind what action to take if they too are given an illegal order, be it from an NCO or the PM, long long before receiving it. Now would be a good time to consider that dilemma.
Support our boys no matter what!
Er,No!