Incorrect.
The FCC regulates CB radios in the United States.
It's right in the rules that they are short-range radios.
Rule 1 Description
The Citizens Band Radio Service (CB) is a private, two-way, short-distance voice communications service for personal or business activities.
Rule 8 Antenna Height
{A} "Antenna" means the radiating system (for transmitting, receiving or both) and the structure holding it up (tower, pole or mast). It also means everything else attached to the radiating system and the structure.
{B} If your antenna is mounted on a hand-held portable unit, none of the following limitations apply;
{C} If your antenna is installed at a fixed location (whether receiving, transmitting or both) it must comply with EITHER one of the following:
[1] The highest point must not be more than 20 feet (6.10 meters) higher than the highest point of the building or tree on which it is mounted;
or
[2] The highest point must not be more than 60 feet (18.3 meters) above the ground.
Rule 10 Power Output
{A} Your CB station transmitter power output must not exceed the following values under any conditions:
AM [Amplitude Modulation] - 4 watts carrier power [CP]
SSB [Single Side-Band] - 12 watts peak envelope power [PEP]