Conversation so far:
what happened between the world wars with claude auchinleck?
Auchinleck became temporary Deputy Assistant Quartermaster-General at Army Headquarters in February 1923 and then second-in-command of his regiment.
what was his greatest accomplishment?
In 1938 Auchinleck was appointed to chair a committee to consider the modernisation, composition and re-equipment of the British Indian Army.
how long was he appointed to chair?
CANNOTANSWER.

Question: what was his greatest accomplishment?
Self-contained rewrite: What was Claude Auchinleck's greatest accomplishment?