The Henschel Hs123 was a single-seat biplane dive bomber and close-support attack aircraft flown by the German Luftwaffe during the Spanish Civil War and the early years of World War II.

This is the illustrated history of the aircraft of the successful Polish bomber squadron flying for the RAF during WW2. No.305 'Weilkopolski' Squadron was a Polish bomber squadron, which originally served as a night bomber squadron.