Read on twitter that term quiver could be related to nukes. Well here Wikipedia mention. Weirdorama.
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https://en.wikipedia.org/wiki/United_States_military_nuclear_incident_terminology
Excerpt
Empty Quiver refers to the seizure, theft, or loss of a functioning nuclear weapon
Add to that the term “Broken Arrow” (when a nuke is lost)
Empty Quiver refers to the seizure, theft, or loss of a functioning nuclear weapon
Well, that ups the stakes, doesn’t it ?
Scary stuff.