Junkers Ju 87 armoured protection of the Ilyushin Il-2 "Sturmovik" - a feature pioneered by the 1916-17 origin Junkers J.I all-metal sesquiplane of World War I Imperial Germany's Luftstreitkräfte - was copied to protect the crew from ground fire now that the Ju 87 would be required to conduct low level attacks. Hans-Ulrich Rudel, a Stuka ace, had suggested using two 37 mm (1.46 in) Flak 18 guns, each one in a self-contained under-wing gun pod, as the "Bordkanone BK 3,7", after achieving success against Soviet tanks with the 20 mm MG 151/20 cannon. These gun pods were fitted to a Ju 87
In the Aeroplane Over the Sea on its folk charm, "Aeroplane" is thin-blooded, woolgathering stuff." After completing a tour for "In the Aeroplane", Mangum disappeared from the public eye, tired of performing and explaining his lyrics. His bandmates were keen to capitalize on the album's success, but Mangum was not interested, and declined an offer to open for R.E.M. In the words of "Slate", "At the end of "Aeroplane"'s final song, you can hear Jeff Mangum [...] set down his guitar and walk off, and [...] that's exactly what Mangum did in real life." Subsequent reviews from "Pitchfork" and "Rolling Stone" were more positive; the latter