NATO vastly underestimated Russia's ability to resupply its army with troops and ammo, general says

• NATO has vastly underestimated Russia's capabilities, a top general said.
• Russia can make millions of shells a year and recruit hundreds of thousands of troops, he said.
• "They can produce even more — many times more — ammunition," Martin Herem told Bloomberg.

NATO has significantly underestimated Russia's capacity to replenish its armed forces with personnel and ammunition, a senior general said.