A member of the Bolivarian Militia holds a rifle during a military exercise in Caracas, Venezuela February 15, 2020. Venezuela's military on Saturday held exercises that deployed civilian militia and armored vehicles in the capital Caracas and around the country, an effort by President Nicolas Maduro to show strength as Washington prepares to escalate sanctions. REUTERS/Manaure Quintero

A member of the Bolivarian Militia holds a rifle during a military exercise in Caracas, Venezuela February 15, 2020. The exercises were launched days after Maduro formally incorporated the civilian reserve, a group of some 4 million volunteers with limited military training, into the armed forces alongside the army, navy, air force and National Guard. REUTERS/Manaure Quintero

A member of the Bolivarian Militia holds a rifle during a military exercise in Caracas, Venezuela February 15, 2020. They were joined by civilian members of the ruling Socialist Party dressed in red shirts who served as look-outs, while soldiers drove armored vehicles. REUTERS/Manaure Quintero

Members of the Bolivarian Militia take part in a military exercise in Caracas, Venezuela February 15, 2020. Maduro has held on to power despite the country's economic crisis in large part because of support from the military. REUTERS/Manaure Quintero

A soldier is seen over an armored vehicle driven along a highway during a military exercise in Caracas, Venezuela February 15, 2020. REUTERS/Manaure Quintero

Members of the Bolivarian Militia shout slogans after a military exercise in Caracas, Venezuela February 15, 2020. REUTERS/Manaure Quintero