Days after the Signal leak, the Pentagon warned the app was the target of hackers / Was Pentagon to brief Musk on 'war' with China? Trump says no / Pentagon refrains from commenting on possible ground operation in Yemen, attack on Iran / Pentagon denies reports Hegseth ordered halt in cyber operations against Russia / 'Conservative realist' Pentagon nominee to face Senate grilling on China views / New allegations against Pete Hegseth alarm Democrats as Pentagon confirmation looms / Senators warn Pentagon's phones are vulnerable to foreign hackers / Potential candidate for Pentagon chief skeptical of aid to Ukraine -- media / Pentagon says it used military hotline with Russia to communicate about developments in Syria / With Gaetz gone, Trump's troubled Pentagon nominee is in the hot seat