How deep are cracks in Venezuelan military support for Maduro?

As most of his cohorts in the Venezuelan embassy in Washington hastily burned documents and packed their bags to return to the capital Caracas, after President Nicolas Maduro severed all diplomatic ties with the United States last week, the country’s military attaché’ Col. Jose Luis Silva instead became the first high-ranking officer to defect since opposition leader and head of the National Assembly, Juan Guaido, formally challenged Maduro for the nation’s leadership last week.