Impedes Taliban capturing base (8)
I believe the answer is:
pedestal
'base' is the definition.
(I know that base can be written as pedestal)
'impedes taliban capturing' is the wordplay.
'capturing' indicates the answer is hidden within the clue (some letters captured or held by the clue).
'PEDESTAL' can be found hidden inside 'impedes taliban'.
(Other definitions for pedestal that I've seen before include "Stand for statue or basin" , "Plinth, base" , "Place for hero" , "Base supporting column" , "Pet's lead (anag) - support" .)