They already did, during Katrina. On September 8th 2005, New Orleans Police Superintendent Eddie Compass declared “No one will be able to be armed… Guns will be taken. Only law enforcement will be allowed to have guns.” Thus began the city-wide warrant-less confiscation operation carried out by the New Orleans Police Department, the U.S. Army National Guard, and Deputy U.S. Marshals.First, the government has to find military personnel that will even be a part of a gun grab, before we worry about tanks.
When these people are ordered to confiscate legally owned firearms, all too many of them will consider their paycheck more important than your rights.