Sen. Elizabeth Warren wants to know if the DOD has considered the effects on troops' dental health if communities don't add fluoride to drinking water.
The cases set the legal tone for thousands more military families and civilians suing over a 2021 jet fuel leak into a Navy drinking water system on Oahu.
A trial for a mass environmental injury case begins more than two years after a military fuel tank facility poisoned thousands when it leaked jet fuel.
Justice Department officials will enforce limits on the fees that can be charged to veterans or family members formerly stationed at the Marine Corps base.