Subtropical storm Alberto was taking aim at the Gulf Coast, while a separate storm system caused "potentially catastrophic" flooding in Maryland.
Planning seemed to move ahead for the on-off-perhaps-on-again summit between President Donald Trump and North Korean leader Kim Jong Un.
The Defense Ministry said the ships "undermined strategic mutual trust" and "damaged peace, security and good order in relevant waters."
The USDA's Food Safety and Inspection Service says the canned chicken and pork in question was produced in February at the company's plant in Nebraska.
For defense attorneys, speaking to the media is a calculated move: Countering bad publicity with the defense narrative also reveals the defense's strategy.