This user is a member of
WikiProject Spaceflight.

Usage

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Add this userbox to your userpage with:

{{Wikipedia:WikiProject Spaceflight/UserboxA1}}

and your userpage will be listed in Category:WikiProject Spaceflight participants.

If you choose to place the userbox on a sub-page of your userpage, and wish to be added to the category, add it with:

{{Wikipedia:WikiProject Spaceflight/Userbox|addsubpage=yes}}