By August 1938 it began to receive the more modern Bristol Blenheim monoplane and moved to RAF Eastchurch, also in Kent. The Munich crisis saw the squadron mobilise in preparation for war with Germany. The squadron temporarily joined 2 Group on 27 September and moved to RAF Cottesmore, before the end of the crisis on 8 October saw the squadron return to 1 Group and Eastchurch.
By August 1938, the squadron transitioned to the Bristol Blenheim monoplane and relocated to RAF Eastchurch in Kent. The Munich Crisis led to mobilization for war with Germany.  The squadron temporarily joined 2 Group on September 27th before returning to 1 Group and Eastchurch by October 8th.