|Picture Type:||Rochester Photo Negative|
|Title:||A-7 PDU undergoing test and alignment|
|Date:||circa May 1977|
|Location:||Negatives Cabinet PM ("54/") [RAA Office]|
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This is a picture of an A-7 Corsair Head Up Display on test. The HUD PDU is mounted in an Alignment Jig which has accurate Boresight Collimators and the Theodolite is used to align the display.