McMaster sent a mixed message Friday, insisting that the USA retained a "military option" in dealing with North Korea even while calling on "everyone to do everything we can to address the global problem short of war".
"For those who have said and have been commenting about the lack of a military option, there is a military option", he insisted.
After the latest missile launch on Friday, White House National Security Adviser H.R. McMaster said the United States was fast running out of patience with North Korea's missile and nuclear programs.
North Korea fired a ballistic missile over Japan and into the Pacific on September 15, responding to new United Nations sanctions with what appeared to be its furthest-ever missile flight amid high tensions over its weapons programmes.
Trump's remarks came in response to the latest ballistic missile test conducted by North Korea.
South Korea's President Moon Jae-in and US President Donald Trump agreed to exert stronger pressure through sanctions on North Korea following its nuclear and missile tests.
Train bombing: United Kingdom government says arrest of suspect significant
It also follows the arrest of an 18-year-old at the Port of Dover and a 21-year-old in Hounslow, West London . The entire neighborhood around their house was evacuated as a precaution when the search began Saturday.
Moon, Trump vow stronger pressure against N. Korea
The South Korean president is set to attend a trilateral summit with Trump, and Japanese Prime Minister Shinzo Abe on Thursday. Pyongyang's nuclear and missile programs have significantly advanced since its first nuclear test in 2006.
IED blast kills 5 security personnel in Pakistan
A Pakistani officials told the media that the incident occurred in Bajaur Agency's Loye Mamond area. Bajaur Agency has seen intense fighting between militants and security forces in the past.
"At that point, you know, there's not a whole lot the Security Council is going to be able to do", Ambassador Nikki Haley said, claiming global sanctions already have cut off 90 percent of North Korea's trade and 30 percent of its oil.
USA options range from everything to accepting North Korea as a nuclear power to using military force in a bid to destroy its arsenal and even oust leader Kim Jong Un.
". Additional provocations will only further isolate the country (North Korea) diplomatically and economically, and will eventually lead down the path of its own collapse".
The government said the photos, released to North Korea's Korean Central News Agency (KCNA), depict an intermediate range Hwasong-12 missile, the same model launched over Japan on Friday and on August 29. And right now, I don't have any more forensics on it.
Trump is spending the weekend at his golf club in Bedminster, New Jersey as he prepares to address the UN General Assembly next week. North Korea also has the world's largest standing army. "They should do more to find effective ways to resume dialogue and negotiation", he said, while adding that China would never accept North Korea as a nuclear weapons state.