Need a big tent

[Lemmi12]

Hey. The Title says it. Its more than off topic but maybe someone has an idea!
Iam looking for a big tent.
Please no questions about why i need one of these!
Similiar like this one:

http://www.r-zs.com/en/space-solutio...es/army-tents/

Does someone have an idea where to order one?

Thank you!