Deputy National Security Adviser Jon Finer's surprise revelation underscored how far the once-close ties between Washington and Islamabad have deteriorated since the 2021 US troop withdrawal from Afghanistan.
It also raised questions about whether Pakistan has shifted the objectives of nuclear weapons and ballistic missile programmes long intended to counter those of India, the victor in three major wars they have fought since 1947.
Speaking to the Carnegie Endowment for International Peace, Mr Finer said Pakistan has pursued "increasingly sophisticated missile technology, from long-range ballistic missile systems to equipment, that would enable the testing of significantly larger rocket motors".
If those trends continue, Mr Finer said, "Pakistan will have the capability to strike targets well beyond South Asia, including in the United States".
The number of nuclear-armed states with missiles that can reach the US homeland "is very small, and they tend to be adversarial", he continued, naming Russia, North Korea and China.
"So, candidly, it's hard for us to see Pakistan's actions as anything other than an emerging threat to the United States," Mr Finer said.
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Denne historien er fra December 21, 2024-utgaven av The Straits Times.
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