National Nuclear Security Administration officials may not have the information they need to manage and assess project performance, investigators said.
A Pentagon Inspector General report found that the Defense Department has not complied with enhanced tracking requirements for $1 billion in Ukraine aid.
In November, House Republicans passed their version of the interior-environment appropriations bill, which called for a $436 million cut to the NPS budget.
The United States Agency for International Development has a confirmed inspector general to lead oversight of foreign assistance programs and Ukraine aid.