North Korea stages big artillery drill as U.S. submarine docks in South

Reuters: North Korea conducted a big live-fire exercise on Tuesday to mark the foundation of its military and a U.S. submarine docked in South Korea in a show of force amid growing concern over the North's nuclear and missile programs.

The port call by the USS Michigan, which is designed to carry ballistic missiles and cruise missiles, came as a U.S. aircraft carrier strike group steamed toward Korean waters in an effort to deter North Korea from a sixth nuclear test or more missile launches in defiance of U.N. sanctions.

Instead of a nuclear blast or a big missile test, North Korea marked Tuesday's 85th anniversary of the founding of its military by deploying a large number of long-range artillery units on its east coast for a live-fire drill, South Korea's military said.

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