This is coolbert:
From the Russian media outlet Sputnik and the article by Svetlana and thanks to both.
"US Army Reportedly Developing Cannon Touted as Able to Blast Through Air Defences ‘As Far As Moscow’"
"The Strategic Long Range Cannon (SLRC) is touted as potentially being able to strike targets at up to 1,150 miles (1,850 km) away and fire 50 times farther than existing guns."
SLRC as having the topic of a prior blog entry with additional embedded links.
Some clarification from the Internet web site Global Security.regarding the SLRC:
"It should not be imagined that the SLRC is simply
CONSIDER NOT SO MUCH THE RANGE OF THE WEAPON BUT THE ACCURACY, RAPIDITY OF FIRE OF THE CANNON AND LETHALITY OF THE ROUND FIRED. DETAILS ON THOSE ASPECTS I IMAGINE AT THIS STAGE OF DEVELOPMENT CLASSIFIED.
Mounting of the SLRC [four cannon per battery] on an ocean-going [?] barge also touted as a possible.
coolbert.