Navigational computations and chart for an operation to Vohwinkel marshalling yards. Included is a vertical aerial photograph with the annotation 'N. A/Pp and on the reverse 'Nr Haan Mod 74'.
Navigational computations and a chart for an operation to Wuppertal, Vohwinkel marshalling yards. A vertical aerial photograph taken during the attack is included and has the annotation '200 yds 280°' and on the reverse '200 yds 280° Bomb door mod…
Navigational computations and a chart for an operation to the Cologne-Gremberg marshalling yards. On the reverse of the chart is a handwritten note [indecipherable].