Artemis II launch is approaching T-20m until launch!

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RF folks: am I right in thinking that the three big masts surrounding the launch pad are supporting big helical antennas on the top? big white corkscrew looking things pointing directly up.
@gsuberland they’re lightning rods
@cinebox @gsuberland I was also believing that before Graham's remark.
@f4grx @cinebox could also be for fire suppression now I think about it