The Venezuelan government was said to have ordered the escort, according to two people familiar with the matter. It was not immediately clear whether the vessels were subject to U.S. sanctions.
A U.S. Air Force air-to-air refueling tanker took off from an airport in St. Croix in late November. A similar type of aircraft nearly collided with a JetBlue flight on Friday over the Caribbean, according to air traffic control radio communications.