In this photo released to the media by Miraflores presidential palace press office, Venezuelan President Nicolas Maduro raises his fist from an amphibious tank as he poses for photos alongside first lady Cilia Flores and Defense Minister Vladimir Padrino Lopez, center right, at the Naval base in Puerto Cabello, Venezuela, Sunday, Jan. 27, 2019. Opposition lawmaker Juan Guaido has declared himself Venezuela's legitimate leader, as embattled socialist Maduro holds the reins of power. (Marcelo Garcia/Miraflores presidential palace press office via AP)