Citing an unnamed official from the North Korean Foreign Ministry, KCNA said Turnbull's show of support for Washington, coupled with Australia's participation in the military drills, had left the country open to unspecified "counter-measures of justice" by North Korea.
His Secretary of State Rex Tillerson said peaceful talks between the nations were now possible "in the near future" and welcomed the restraint the North had showed in its weapons program. "I respect that fact very much".
Shin Jong-woo, secretary general of the Korea Defense and Security Forum, analyzed that North Korea would try to drop the cluster bombs on South Korean and USA naval bases in the event of war, wrecking runways and disabling military planes.
On Monday, 17,500 USA troops joined with 50,000 South Korean soldiers for 10 days of joint military exercises.
Nonetheless, China's foreign ministry spokesperson Hua Chunying, when asked to comment on the troop cutback, said that China has "noted the reduction of the USA forces", but reiterated that the military exercises would not help to reduce tensions on the Peninsula, and noted that the drill is viewed by North Korea as a highly provocative rehearsal for invasion. "The Pukguksong-3 is definitely new", he said in an email.
"In an ordinary country there would be riots over the food shortages, but not in North Korea", said Ishimaru.
Numerous elements on show were objectives rather than now existing technology, analysts said, but even so Jeffrey Lewis, of the armscontrolwonk.com website, noted: "It's all bad".
Earlier Tuesday, the U.S. Treasury added more than a dozen individuals and companies to its roster of blacklisted North Korea-related entities, an escalation of the Justice Department's focus on tightening sanctions against Pyongyang.
Other pictures included missile schematics and what appeared to be production processes.
Sanctions and the worst drought for nearly 20 years continue to cause hardship for millions of North Koreans, while the country's leaders press ahead with its nuclear programme.
"He instructed the institute to produce more solid-fuel rocket engines and rocket warhead tips by further expanding engine production process and the production capacity of rocket warhead tips and engine jets by carbon/carbon compound material", KCNA said.
The report comes amid high tensions over the North's nuclear weapons program following more than a year of surprising progress, including the test-launches of two intercontinental ballistic missiles last month.
Trump has urged Beijing, North Korea's only major ally, to bring greater pressure to bear in reining in its neighbor's nuclear efforts, suggesting that the United States may offer concessions on trade in return.