Dunno. Could be a cup in a jock strap to keep a dick from swinging - or, could be that she has a massive bush and her tiny panties can't hold all the hair down.
For those digging 911. Some ATC transcripts including comms with airline and DoD locations. NYT archived but no paywall. Appears fully legit to this ATCAnon.
http://archive.nytimes.com/www.nytimes.com/interactive/2011/09/08/nyregion/911-tapes.html
Probably NOTABLE if it gets seconded.