Deployments are tough enough without have troubled MR to worry about. With everything going on, I would suggest not deploying because of the children. Things are going to be tough for them with your wife "finding herself."
Tread, your view makes a lot of sense. I suppose that I was considering walking away in order to give her "space" and to keep myself very busy to avoid thinking about the MR... but "forgetting" the extra challenges that a deployment will impose on the children while W is away. It still can happen, of course, but I better don't ask for it.