It really ISN'T a good way to test the trust between you.
Can she move with you? Even though you've had a lifetime of this...she will need your support. Meaning your big strong warm arms. Life doesn't get easier. You can probably trust her, but you will be leaving a big void.
Like Making said.....it will take heroic efforts on your part. And you might not 'feel' like doing it. You will need to do it anyway.
I like Steve's idea.
I want to thank you for serving. And for your marriage...I vote for you to reconsider the deployment. It will be worth it.