• Senate Armed Services Committee criticizes Pentagon's new National Defense Strategy.
• Chairman Sen. Roger Wicker cites numerous flaws, including omission of Taiwan.
• Undersecretary of Defense Elbridge Colby defends the document.
• Committee members also question handling of Iran and nuclear threats.

The criticism may indicate significant bipartisan concern about the Pentagon's strategic priorities, which could impact the implementation of the National Defense Strategy. The omission of Taiwan and the handling of the Iran situation suggests potential gaps in the document's approach to global security threats, which may undermine the US's ability to address emerging challenges.