Trump, joined by first lady Melania Trump, met with military families and watched an air show at the base that houses the presidential plane Air Force One.
"Our hearts and prayers go out to the people of London", Trump said early in the speech, later adding that "America and our allies can never be intimidated".
He says the government in Pyongyang has once again shown its "utter contempt" for its neighbors and for the entire world community by launching another ballistic missile over Japan, a US ally. "They're better looking than Tom Cruise and we know they can fight better and we know they can fly better", he said, referring to Cruise's 1986 film "Top Gun".
"For those who have said, and been commenting about a lack of a military option, there is a military option".
"What we are seeing is they continue to be provocative, they continue to be reckless".
"For 230 years, we have governed ourselves and planned our own destiny, guarded all the way by the Constitution of the United States", he said.
"Thank you for your service and devotion", Trump said.
Formed in 1947, the US Air Force operates over 5,000 military aircraft, with over 300,000 active duty personnel as of 2017. "We will be there tomorrow and the day after, as we work to respond, recover, and rebuild". This isn't the first time Twitter noticed an awkward moment between US President Donald Trump and First Lady Melania Trump.
Trump's remarks came after North Korea fired a ballistic missile over the northern Japanese island of Hokkaido earlier on Friday, the latest in a stream of missile tests that have looked to defy the global community.
The launch is the second to flyover Japan in less than a month, and the first since North Korea's sixth nuclear test and new United Nations sanctions on the country.
EPL: Without Mane, Liverpool struggle to 1-1 vs Burnley
And with 10 minutes to go, the Clarets twice nearly grabbed a dramatic victor as they suddenly looked the ones full of running. In the second half Coutinho came out of his shell and fired round the post, over the bar - you name it.
Halftime: Washington State 28, Oregon State 9
"We've been waiting for our outside receivers to get in a rhythm", Leach said. "Being in the right place at the right time ". The Beavers cut the lead to 14-9 before the Washington State offense responded with Falk's short touchdown pass to Martin.