Vice President Pence will reportedly meet with officials at the Pentagon on Thursday to talk about President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE’s proposed Space Force.

A source with the vice president's office confirmed to The Hill that Pence will discuss the future of the Space Force during the visit.

CNN first reported that Pence, who chairs the president's space council, will stop by the Pentagon around the same time the Department of Defense is expected to release a report on its space-related operations to Congress.

The report was initially scheduled to be released on Aug. 1, but it has since been delayed, CNN reported.

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Defense Secretary James Mattis James Norman MattisBiden courts veterans amid fallout from Trump military controversies Trump says he wanted to take out Syria's Assad but Mattis opposed it Gary Cohn: 'I haven't made up my mind' on vote for president in November MORE told reporters on Tuesday that the department is still "working our way through" the details of establishing the Space Force. He added that he, Trump and Pence "are in complete agreement" on the matter.

“We need to address space as a developing war fighting domain and a combatant command is certainly one thing that we can establish. This is a process we're in,” Mattis said outside the Pentagon prior to meeting with British Defense Secretary Gavin Williamson.

Trump in June officially directed the Pentagon to “immediately begin the process necessary to establish a Space Force as the sixth branch of the armed forces.”

Congressional action is needed to create an entirely new military branch.

--Updated at 8:30 p.m.