AI and technological advancement ahould be the focus rather then nuclear positioning. It is surprising to hear how badly the nuclear assets are managed though, so maybe its some kond of inprovement. They used the password 0000 for the launch coes for like 30 years until the 90's or later, can you imagine. that is a completely horrendous level of security for weapons that will cause the end of the human species on the entire planet. As AI becomes the super focus, hopefully nuclear weapons will less and less of a choice.
There are a lot of imaging and thought techniques you can use, eg imagine sittimg beside a small stream, while the water guegles by, watch the leaves and sticks flowing past. or imagine events im yoir life floating by, or imagine being a duck floating by, swimming, or flying, etc. There are also body relaxation techniques ( zen , meditation, etc ) There are many many techniques available.
https://www.youtube.com/watch?v=tSxh_8H7TBQ