They don't. Delta's count if Q than Trump. Don't relate to past tweets.
New tactic never used.
Turtle sinks Eagle… Wood Turtle, Iron Eagle…
I wouldn't want to be Iron Eagle right now.
Another possible meaning.
THREATCON DELTA: (Threat level critical) This condition applies in the immediate area where a terrorist attack has occurred or when intelligence has been received that terrorist action against a specific location or person is likely. Normally, this THREATCON is declared as a localized condition.
I thought it might be relevant since it came in the same post as the UK car threat. Fit the terror or implied terror attack.