The long-anticipated maiden flight of Japan's new flagship H3 rocket was aborted Friday after a system onboard the craft detected an abnormality and did not ignite its booster engines, the Japan Aerospace Exploration Agency said.The abrupt halt, moments before launch, marked a setback for the program, already hit by a string of delays, as the country seeks to gain a foothold in the increasingly competitive satellite-launching business with the successor to its highly reliable H2A launch vehicle.The H3 rocket, carrying a land observation satellite as its payload, did not lift off from the Ta…READ FULL ARTICLE