Patrick Shanahan

Lawmakers on Thursday indicated they remained skeptical of the Pentagon's latest proposal to stand up a U.S. Space Force.

Shanahan said he envisions "15,000 to 20,000" individuals defending and protecting U.S. interests in the domain.

The Pentagon has not fulfilled a promise to disclose a list military projects that would be delayed to fund the border wall.

Acting Defense Secretary Patrick Shanahan took the case for a $750 billion defense budget to the Senate on Thursday.

An ethics organization filed a complaint asking the DoD Inspector General's Office to investigate Shanahan's ties to Boeing.

Connecticut lawmakers fear cuts to F-35 engine production, which provides many jobs in their state.