This article is ratedC-class on Wikipedia'scontent assessment scale. It is of interest to the followingWikiProjects:

Spaceflight:Space stationsMid‑importance This article is within the scope ofWikiProject Spaceflight, a collaborative effort to improve the coverage ofspaceflight on Wikipedia. If you would like to participate, please visit the project page, where you can jointhe discussion and see a list of open tasks.SpaceflightWikipedia:WikiProject SpaceflightTemplate:WikiProject Spaceflightspaceflight Mid This article has been rated asMid-importance on theproject's importance scale. This article is supported bythe space stations working group.

The == Details == section needs a better description of whichPMAs were attached to Unity at different times during station construction. Ascurrently written it implies PMA-2 is still attached to Unity. (sdsds -talk)02:33, 16 June 2009 (UTC)[reply]

The entire text of this article has been taked from NASA Facts IS-1999-01-ISS017JSC of January 1999, which is referred to under "References". What other form of reference is required to clarify this?Jezza (talk)18:02, 8 February 2010 (UTC)[reply]

Under Details it says "made of aluminium and steel", supported only by a roscosmos ref that doesn't quantify the steel. NASA ref (now added) says just aluminium [alloy]. (Many ISS modules have v thin steel outer covering, but it's not structural) -Rod57 (talk)11:11, 5 December 2020 (UTC)[reply]

• C-Class spaceflight articles
• Mid-importance spaceflight articles
• Space stations working group articles
• WikiProject Spaceflight articles