The US company Howe&Howe Technologies offers its version of the track robotic platform under the name RS1 for use in conditions of increased danger to humans. Several modifications were developed on a single tracked chassis weighing 635 kg and dimensions of 1.8 x 0.89 x 1 m. As a power plant, a 25 hp diesel engine is used.

For example, the reconnaissance modification RS1-E2 Eagle Eye is equipped with a set of cameras with optical zoom on a swivel inclined platform with a mast. Modification for explosive ordnance disposal RS1-G2 Guardian is equipped with a powerful hydraulic manipulator with 6 degrees of freedom and survey cameras. Modification RS1-RBS1 SWAT Bot was created for police units and equipped with a large folding shield for ballistic protection of special forces. It is also possible to install various rifle weapons of different caliber with remote control, in this case the modification is called Gremlin.