Also at the briefing, the State Department's deputy spokesperson Robert Palladino said U.S. Secretary of State Mike Pompeo will discuss the issue of Venezuela with European Union leaders during his upcoming trip to Europe.
Still, he said, rank-and-file soldiers were starving "just like the population" of Venezuela.
The president vowed that "peace will come" to the country next week, and that he will keep exercising power.
The United States is holding direct communications with members of Venezuela's military urging them to abandon President Nicolas Maduro and is also preparing new sanctions aimed at increasing pressure on him, a senior White House official said.
Colombia has borne the brunt of the exodus of Venezuelans fleeing malnutrition and political turmoil in their once-prosperous nation, with about 800,000 flooding over the border and settling in Colombia.
Mr Guaido said Venezuela's "sovereign and elected" National Assembly has the support of some 60 countries.
He did not provide any details on how the USA military might respond.
"We have to go deeper into that, we saw a division general speak openly a few days ago, we saw some sergeants of the National Guard show discontent and they are being tortured".
Raptors to acquire Marc Gasol, send Jonas Valanciunas to Grizzlies
Given how the DeMar DeRozan trade went down, its hardly surprising the All-Star is keeping one eye open just in case he is moved. He also said that it's more likely that Marc Gasol is moved at the deadline than Conley.
"While I cannot name names because visa information is protected, I can state that we will continue to take action against those destroying Venezuela's democratic institutions", he said.
Justice Mendoza says Guaido is usurping presidential powers. So did the Lima Group countries (excluding Mexico), the Organization of American States, and a number of other countries. It arrived at the Colombian border city of Cucuta, where volunteers are bagging them in preparation for attempts to bring them across the border.
The items were being packed by volunteers into individual bags for Venezuelan families.
According to Mogherini, the contact group should first reach "a common understanding" on "a political transition process" for the South American country, and channel humanitarian assistance to Venezuelans in need.
Mr Pouyanne continued: "We made a decision to evacuate all of our personnel from Venezuela given the current situation" adding that the evacuation process had begun more than a week ago.
Blaming Maduro for bringing the dire social and economic crisis upon the sanctions-strangled Venezuela, Guaido has been taking advantage of the situation to push for regime change and pleading with his global support base to urgently send humanitarian aid. Opposition leaders said three countries in the region will become aid hubs and that some nations, like Colombia, will likely have more than one collection site.
Venezuelan leader Nicolas Maduro said on Friday that he would not allow "fake" humanitarian aid to enter the country.
Huizenga said Friday that the committee has asked to send a mission to Venezuela, and has seen informal signs that this might be agreed.