Donald Trump’s Pentagon chief moderated his stance to get the job but is now pushing for change in the name of high standards ...

President Donald Trump wants a national missile defense system like Israel's, but Sen. Mark Kelly, D-Ariz., raised doubts that it is viable.

Democratic Sen. Mark Kelly of Arizona says President Trump's decision to strike Iran leaves the U.S. in a "dangerous" moment ...

Kelly urged Defense Secretary Pete Hegseth to seek scientific, not contractor, input on the system's viability, especially given cuts to the Pentagon office responsible for such analysis.

During his remarks in a Senate hearing today, Senator Mark Kelly got into a tense exchange with Pete Hegseth over President Trump's plan to build a "Golden Dome" missile defense system.

The next presidential election is still a few years away, but Arizona's senators could be contenders in a wide-open Democratic primary race.

Sen. Mark Kelly prodded Secretary of Defense Pete Hegseth for more details on the "Golden Dome" missile defense system proposed by the Trump administration. Kelly questioned if some of Hegseth's ...

Dan “Razin” Caine, chairman of the Joint Chiefs, doesn’t want the spotlight—but with this White House, there’s no avoiding it ...

US: Sen. Mark Kelly prodded Secretary of Defence Pete Hegseth for more details on the "Golden Dome" missile defence system proposed by the Trump administration. Kelly questioned if some of Hegseth ...