this post was submitted on 12 Mar 2024
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[–] [email protected] 4 points 8 months ago

Especially with night bombing campaigns.

They used to "move" towns by a few km by stringing up lights that matched the pattern of the town's streetlamps in empty fields a few km away, and then having the actual city blacked out. From 30k feet up, they'd see matching light patterns and assume they were over the target.

The daylight bombing raids were a bit more accurate. You may think that being able to match a map to terrain features sounds relatively easy in a plane that's flying relatively slowly along a predictable route. But if it's at all overcast it's much harder. Then add in flak or enemy fighters distracting you and pulling you away from your maps, and suddenly it's a lot harder.

But, under ideal conditions, with the Norden bomb sight, the bombers could be surprisingly accurate. The bomb sight adjusted for ground speed, changing winds, and included a primitive auto-pilot and actually steered the plane, and AFAIK it auto-released the bombs at the right time. Hitting the right cluster of buildings from a height of 30k feet with a gravity bomb is fairly impressive. But, under combat conditions that was pretty rare.