 Complete the following phrase:  The Italian invasion of Egypt in September 1940 failed. A British Army counter-attack, Operation Compass, drove the Italian African Army back into Libya. Erwin Rommel and the German Africa Corps were dispatched to prevent an Axis collapse in North Africa. The 60 Ju 87s of I.StG 1 and II.StG 2 were dispatched to Tripoli. The two gruppen were the only offensive assets the Germans had in North Africa in February 1941. The German airmen were mostly from northern Germany and were unused to the harsh desert conditions. The first Stuka actions took place around the 14 February and resulted in the first losses. Operation Sonnenblume developed into a full-scale offensive which recovered Libya, with the exception of Tobruk. Enneccerus led his group on a carpet bombing attack in an attempt to support the capture of the 