10
I think it would be on topic because they are employed (at least in this instance) for the purpose of a space launch.
5
There is an identify-this-object tag for just this sort of thing and it's quite active and well-written questions are generally well-received.
Your question should contain basic information about the photo including at least the approximate location, time and date and any other details you have.
I see that you do have estimated time and location so this ...
2
Topicality
This is addressed in @called2voyage's answer but I'll add the following:
I'm the author of the linked comment which includes:
...so I think it's a great follow-up question. Please consider just posting it as a new one and linking back here for background. It would only need to be a sentence or two max, and could use the same tags"
and the ...
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