Russia secretly used front companies to buy Western technology and erect a surveillance net in the Arctic where its submarines operate, an investigation shows.

Pacific, said Russia could hand China submarine technology, altering the balance of power.

South Korea President Lee Jae Myung said the country's current diesel-powered submarines have limits in tracking other countries' submarine activities. If South Korea was equipped with nuclear-powered submarines,

Russian Secrets, a new cross-border investigation, reveals the shadowy procurement network behind Russia’s surveillance program Harmony.

P resident Donald Trump said he’s restarting U.S. nuclear missile testing on Wednesday hours before meeting with Chinese President Xi Jinping, further escalating the stakes of the high-profile summit between the two leaders.