[mlo]

"W537 is probably the code that defines the no-fly area over the weapons center."

W537 is the area over the ocean where the missile was seen.

[az_gila]

W537 is the area over the ocean where the missile was seen.

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No, W-537 is way off from the so-called launch site.

It is at Santa Barbara and goes WSW. This chart shows it -

http://skyvector.com/?ll=34.113740853078696,-120.17050875990273&chart=24&zoom=5&plan=A.K2.57AZ:G.32.45502956073593,-111.17041971703145:A.K2.KCGZ

The launch point was labeled as just North of Santa Catalina island.