North Korea once again showcased a new advancement in its military program by announcing that Kim Jong Un supervised a ground test of a high-thrust solid-fuel engine built with carbon fiber composite material.
Read Moresolid fuel
Video: Poland conducts suborbital rocket tests and potential defense application
Poland is said to have conducted the first tests on April 15 of a solid-fuel rocket with three stages and a diameter of 308 mm, as part of an innovative project aimed at creating a lightweight suborbital launch system.
Read More
North Korea advances with hypersonic missile aimed at attacking US bases
North Korea successfully conducted on Tuesday a multi-stage solid-fuel engine test for its new type of hypersonic missile of intermediate range, as reported by the North Korean state agency KCNA.
Read More