[Css-csa] Thank you to the Cross Support Architecture Working Group

[Takahiro Yamada]

Erik,

> Please allow me the opportunity to thank the WG for the excellent work.  I believe the type of architecturerapidly and I think they will serve CCSDS well for years to come. 

Thank you very much for supporting the work of this WG for many years. I really appreciate your excellent support as Area Director. 

Best regards,
Takahiro Yamada