Rocket Report: Russia’s rocket engine predicament; 300th launch to the ISS

Here is a 192-word summary of the news article: Russia's space program is facing a predicament due to sanctions, as it struggles to obtain key rocket engine components. This is impacting the country's ability to launch commercial satellites and resupply the International Space Station (ISS). Separately, the 300th launch to the ISS is scheduled to take place soon. This milestone highlights the continued international cooperation and scientific research being conducted aboard the orbital outpost. In an unrelated development, North Korea has test-fired a new solid-fuel rocket motor. This type of engine is commonly used in intercontinental ballistic missiles (ICBMs), suggesting North Korea is working to advance its nuclear weapons capabilities. The article provides a brief overview of these diverse space-related events, including the challenges facing Russia's space program and the upcoming 300th ISS mission, as well as North Korea's continued missile development efforts. The summary focuses on the key facts without delving into speculation or commentary, aiming to present the information in a concise and unbiased manner.