Before being clear of the facts, the US military and media accused China of spying, and this incident has brought the US' recent hyping of the "China threat" to a new level, with some Chinese analysts saying the stunt, which was not backed by concrete proof, may bring new tensions to China-US relations, as it is a follow-up to more intensive US moves to contain China in the fields of military, technology, and diplomacy and also on issues of China's core concerns, including on the island of Taiwan.