I went in today, as I didn't want to pass it up without giving it a chance and being more balanced about it. I would be mostly punching numbers into a computer and posting bits of aeroplane about the country, rather than actively marketing vicious weapons to third-world children, but I still feel slightly uncomfortable about being involved in the defence industry. It's weird, as I'm not usually a hardcore pacifist, and accept that sometimes wars have to be fought, and that there is some sense in having a well-maintained army. I just don't feel quite 'right' being so directly involved in it. That does sound rather hypocritical, but it's my gut instinct.
I was worried about my CV largely because I might get the chance to go permanent there, and if I'm going to take a job of this type at this particular juncture, I'd want to do it for 6 months to a year, rather than doing bits of temping (which I'm very good at talking up

He also said that since we've been managing with money so far, we can probably afford for me to carry on working a few days a week alongside volunteering, as on balance me being happy and sane is more important than buying each other expensive Christmas presents.
Will ponder it over for another couple of days, I think, vainly hoping that some external event will come along and make my mind up for me...