The RS-28 Sarmat rocket "is capable of wiping out parts of the earth the size of Texas or France," Russian state news outlet Sputnik reported in May.
The image was published by the Makeyev Rocket Design Bureau on its website.
Russian Deputy Defense Minister Yuri Borsiov said the Sarmat warhead was capable of destroying targets flying across both North and South Poles, Russian state news agency TASS reported Tuesday.
The missile will have a range exceeding 11,000 kilometers (6,835 miles), TASS said. The warhead will weigh 100 tons and is designed as a successor to the R-36M Voyevoda