Surrogacy is a natural fit for military wives, with their solid support networks, premium medical care and strong dispositions. For some it's easy money; for others it's a way to help unlucky couples. Angel Howard, 32, lay motionless on an examining table in a La Jolla fertility clinic last Mother's Day, her delicate features bathed in the blue-gray glow of an ultrasound screen as she watched a doctor try to impregnate her with someone else's embryos.