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BLU Series demo bombs BLU-14/B or BLU-31/B

BOMBSaway1980

Well-Known Member
Ordnance approved
I'll try this with a different title.

I'm wondering about marking and stamps to find the difference in these two items.

BLU-14/B Length 95.6 inches 10.75 diameter and the BLU-31/B
Length: 2.40 m (96 inches)
Diameter: 28.6 cm (11.25 in)

BLU-14/B is
670lbs

BLU-31/B is
766lbs

The BLU-14/B was around before 1964

When did the BLU-31/B come to be.
 
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