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H-II Transfer Vehicle KOUNOTORI (HTV)

HTV4

HTV4 (Credit: JAXA/NASA)

The H-II Transfer Vehicle (HTV) "KOUNOTORI", developed and built in Japan, is an unmanned cargo transfer spacecraft that delivers supplies to the International Space Station (ISS). Its first, "technical demonstration flight" was launched in September, 2009. HTV is scheduled to launch about once a year to contribute to the ISS operations.

HTV Overview
HTV Components
HTV Operations

News

CALET installation completed

CALET installation completed (August 26, 2015)

At 11:29 p.m. (2:29 p.m. UTC), August 25, the CALET on the EP was transferred by the Kibo’s robotic arm (JEMRMS) and installed to the Kibo’s Exposed Facility (EF).

Transfer of the Exposed Pallet (EP) was Completed. Crew entered KOUNOTORI5.

Transfer of the Exposed Pallet (EP) was Completed. Crew entered KOUNOTORI5. (August 25, 2015)

From 11:27 a.m. (2:27 a.m. UTC), August 25, the removal of the HTV5 Exposed Pallet (EP) on the Unpressurized Logistics Carrier (ULC) was started by the Space Station Remote Manipulator System (SSRMS).

ISS Crew Concludes KOUNOTORI5 Berthing Operations

ISS Crew Concludes KOUNOTORI5 Berthing Operations(August 25, 2015)

All cables between KOUNOTORI5 and Harmony were connected. KOUNOTORI5's berthing operation was completed at 2:28 a.m., August 25 (5:28 p.m., August 24 UTC).

*All times are Japan Standard Time (JST)

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