https://www.forbes.com/sites/hisutto.../#44dc6cf77a2d
Apparently it was the visible inflatables on board the Resolute that got the navy excited about possible mercenary landings.
Quote: "Accusations of a plot involving mercenaries go back to before the incident. On March 22, Venezuelan President Nicolas Maduro accused Colombia and opposition leader Juan Guaido of plotting to kill him. He accused the U.S. of bankrolling the operation. The alleged plot, later described by Information Minister Jorge Rodriguez, included paid hitmen from several Central American countries."