FILE - JAXA H3 rocket project managers Masashi Okada, right, and Mayuki Niitsu brief journalists in front of the second stage of a H3 rocket, set for a full-fledged launch later this year after two test flights, inside the Mitsubishi Heavy Industries' Nagoya Aerospace Systems Works Tobishima Plant in Tobishima, Aichi prefecture Thursday, March 21, 2024. Japan’s space agency announced Friday, April 26, that it will launch its new flagship rocket H3 on June 30 carrying an observation satellite for disaster response and security purposes, a key mission that it had failed in its debut flight last year. (AP Photo/Mari Yamaguchi, File)