Despite Congress saying there was no money for a border wall, the Department of Defense found $1 billion to start construction.
The move was immediately blocked by the House Armed Services Committee.
Republican consultant Vlad Davidiuk said the DOD should release the fund over the objections of a single House committee because it doesn't reflect Congress or Americans.
"Americans understand that our southern border is broken and this is the best way forward to making sure we get that situation under control. President Trump promised he would help get this situation under control and Americans are going to hold him to it," said Davidiuk.
He said the DOD should comply with a request under a lawful national emergency declaration because Congress didn't overturn his veto.
"The Department of Defense is well within their right and ability to carry out and they should move forward over the objection of the Democrat controlled committee in Congress," said Davidiuk.
He said depending how far Democrats are willing to go, it could turn into battle between the Pentagon and Congress over spending authority.