Encyclopedia Astronautica
ISS Commercial Enterprise Module



entrprs2.jpg
ISS Commercial
Commercial Enterprise Module. "Enterprise" docked to the International Space Station.
Credit: NASA via Marcus Lindroos
entrprs.jpg
ISS Commercial
Commercial Enterprise Module. The "Enterprise" module would contain a windowed "studio bay" giving crew members views of the Station, arriving vehicles and Earth.
Credit: NASA via Marcus Lindroos
American manned space station module. Study 1999. The Russian economic crisis provided some intriguing opportunities for private industry.

Spacehab Inc. and NPO Energia announced a small commercially financed laboratory that would be launched on a Zenit rocket in 2003. The 'Enterprise' module would contain a windowed 'studio bay' giving crew members views of the Station, arriving vehicles and Earth. Loosely based on the Progress cargo spacecraft, the 'Enterprise' interior was to be divided into two sections - a 64 position equipment bay able to accommodate standardized Station Express racks, Shuttle mid-deck lockers and Spacehab module lockers - and the studio bay.

Described as 'a large open space at the bottom end of the module,' the studio would be set up to generate high definition video (HDV) for broadcast and multimedia distribution. Life support in the module was designed to support an hour-long press conference by six crew members, or full-time occupation by one or two crew members. Communications would be handled through the Spacehab Universal Communications System (SHUCS), an Inmarsat-based L-band terminal and antenna. It was claimed this would give two-way Internet connectivity 'with a data rate similar to an ISDN connection.' Plans called for the Enterprise module to be mounted to the nadir port of Russia's Zarya Service Module, a site also claimed by Boeing and Russia's Khrunichev for their 'Commercial Space Module.' However, Spacehab and Energia had a signed agreement with the Russian Aerospace Agency granting them the nadir port, and Boeing had said it would let the Russian agency decide who in the end gets to use it.

Article by Marcus Lindroos

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Associated Countries
Associated Spacecraft
  • International Space Station American manned space station. Development from 1994. Assembled in orbit from 1998, with completion expected 2010. In 1987-1993 the Russians successfully assembled and operated the 124-metric ton Mir station. More...

See also
  • US Space Stations Wernher von Braun brought Noordung's rotating station design with him from Europe. This he popularized in the early 1950's in selling manned space flight to the American public. By the late 1950's von Braun's team favoured the spent-stage concept - which eventually flew as Skylab. By the mid-1960's, NASA was concentrating on modular, purpose-built, zero-G stations. These eventually flew as the International Space Station. More...

Associated Launch Vehicles
  • Proton The Proton launch vehicle has been the medium-lift workhorse of the Soviet and Russian space programs for over forty years. Although constantly criticized within Russia for its use of toxic and ecologically-damaging storable liquid propellants, it has out-lasted all challengers, and no replacement is in sight. Development of the Proton began in 1962 as a two-stage vehicle that could be used to launch large military payloads or act as a ballistic missile with a 100 megaton nuclear warhead. The ICBM was cancelled in 1965, but development of a three-stage version for the crash program to send a Soviet man around the moon began in 1964. The hurried development caused severe reliability problems in early production. But these were eventually solved, and from the 1970's the Proton was used to launch all Russian space stations, medium- and geosynchronous orbit satellites, and lunar and planetary probes. More...
  • Proton-K Russian orbital launch vehicle. Development of a three-stage version of the UR-500 was authorised in the decree of 3 August 1964. Decrees of 12 October and 11 November 1964 authorised development of the Almaz manned military space station and the manned circumlunar spacecraft LK-1 as payloads for the UR-500K. Remarkably, due to continuing failures, the 8K82K did not satisfactorily complete its state trials until its 61st launch (Salyut 6 / serial number 29501 / 29 September 1977). Thereafter it reached a level of launch reliability comparable to that of other world launch vehicles. More...

Associated Manufacturers and Agencies
  • Korolev Russian manufacturer of rockets, spacecraft, and rocket engines. Korolev Design Bureau, Kaliningrad, Russia. More...
  • Spacehab American manufacturer of spacecraft. Spacehab, Inc. , Houston, Houston, USA More...

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