1. 
   TKS
   The Knee Society
   Found op http://www.encyclo.co.uk/local/20895
   
   
2. 
   TKS
   [spacecraft] TKS spacecraft was a Soviet spacecraft design in the late 1960s intended to supply the military Almaz space station. The spacecraft was designed for manned or autonomous cargo resupply use. The design was used on four test missions but was never flown manned due to the abandonme...
   Found op http://en.wikipedia.org/wiki/TKS_(spacecraft)
   
   
3. 
   TKS
   The TK (TK-3) and TKS were Polish tankettes during the Second World War. ==Design and development== The TK (also known as the TK-3) tankette was a Polish design produced from 1931 that was based upon an improved chassis of the British Carden Loyd tankette. The TKS was an improved model with a new h...
   Found op http://en.wikipedia.org/wiki/TKS
   
   
4. 
   tks
   1) The knee society 2) Timely title of this week's puzzle
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/tks/1
   
   

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