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Japan Aerospace Exploration Agency<\/p>\n
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Japan Aerospace Exploration Agency (JAXA) scheduled the launch of MICHIBIKI No. 5, Quasi-Zenith Satellite System (QZS-5) aboard the 8th H3 Launch Vehicle (H3 F8) on December 17, 2025. However, it has been canceled because an uncertain incident was found in the cooling water injection equipment.
As a result of the investigation, the cause was identified in the frame deflector cooling system of the cooling water injection equipment, and a verification test confirmed that water can be injected at the proper flow rate.
Based on the above, the new launch date for the 8th H3 Launch Vehicle has been rescheduled as follows:\n<\/p>\n<\/div>\n
| Launch date<\/th>\n | : December 22, 2025<\/td>\n<\/tr>\n | ||||
|---|---|---|---|---|---|
| Launch Window<\/th>\n | : 10:30 through 11:30 (JST)*<\/sup><\/span> \u2002The time is the 24-hour clock<\/td>\n<\/tr>\n Reserved Launch Period<\/th>\n | : December 23, 2025 through January 31, 2026<\/td>\n<\/tr>\n | Launch site<\/th>\n | : Yoshinobu Launch Complex at the JAXA Tanegashima Space Center<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n | |