### Clue: Obstructive international organisation attended by soldier wearing flashy stuff (10)
### Answer: UNOBLIGING 
 ### Explanation: Definition: Obstructive
 UNO(abbrev. for the international United Nations Organisation) **plus**(attended by) GI(nickname for a US soldier) **contained in**(wearing) BLING(flashy stuff/expensive and showy possessions as an indication of wealth or status, including such jewelry).