External Stowage Platform 1

The first of the External Stowage Platforms, called ESP-1 was carried on STS-102 Space Shuttle mission on Mar 8, 2001. It was carried into orbit on the underside of an Integrated Cargo Carrier (ICC), and it is smaller and unique in shape over the other platforms.

It was installed on the port side trunnion of the Destiny Laboratory Module.

STS-102

The first ORU installed was the PFCS (Pump Flow Control System)

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Download file here

STS-100

The second ORU installed on ESP-1 was the DCSU (Direct-Current Swithching Unit) which was carried by STS-100 on the sidewall of the payload bay trunk. STS-100 was launched on Apr 19, 2001.

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ESP-1 has not changed since STS-100 and it still remains unchanged ever since.

ISS early configuration

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More current ISS configurations showing ESP-1

Download file here

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