DIVORCE: FM 21-87-D - Department of the Family Field Manual A tactical field manual for navigating divorce with clarity, emotional discipline, and mission-focused survival. Inspired by proven U.S. military training formats, FM 21-87-D delivers practical tools for emotional sovereignty, co-parenting, financial strategy, and civilian reentry. This isn't therapy-it's field command for one of the hardest personal terrains you'll cross. Real tactics. Real terrain. Real healing.