bombsight

Britain’s Bomber Command was, however, unimpressed by the Norden bombsight and, after its own failed attempts to hit industrial and port targets, skeptical about precision bombing.

The raids resulted in large aircraft losses and highlighted defects in the Norden bombsight — it was complex to operate and, being dependent on visual target sighting, ineffective in bad weather.

Neither, staring through his bombsight, could bombardier Umphress.