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That wider context helps explain why California, and especially its ports and coastline, would be treated seriously in any warning tied to maritime drone launches. California is home to major naval, commercial and population centres, including Los Angeles, Long Beach, San Diego, Oakland and San Francisco. Bloomberg reported that officials at the Port of Los Angeles and San Francisco City Hall had been briefed and were maintaining vigilance despite saying there were no immediate threats. Even absent a confirmed attack plan, the idea of small drones launched from a civilian or disguised vessel presents a challenge for security agencies because it blurs the line between conventional military retaliation and covert asymmetric action.
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