On Thu, 21 May 2015 20:51:09 -0500, Byker wrote:

Those insulated towers containing lightning arrestors now
surround every launch pad and rocket.

Yet they are a recent phenomenon. Past launches, going back
to the beginning of rocketry, did not have them.

Why the change? If lightning wasn't considered a great danger
in the past then why is it considered a great danger now?