"It's the biggest New Zealand team that's gone over there.
"[The captaincy] it's for helping, when we get over there. Helping at registration and giving them support."
While the bulk of the Kiwi crew will meet up on Wednesday before flying stateside to compete on Friday, US time, some others are heading over earlier or coming from other parts of America.
Therefore, Dixon's travel experience will prove invaluable for the first-time competitors.
For example, for domestic competitions, most bodybuilders take specifically-prepared meals with them, so they can keep up with their strict diet regiment right up until show time.
However, while in Las Vegas in the two days before the show, they will have to go pick up food, so they won't be able to choose quick-and-easy options.
"The hotels don't have cooking facilities. You have to be careful with what you eat," said Dixon.
"Everyone's going at different times, so it's hard to co-ordinate."
Murray, who will be supported by Wanganui Bootcamp partner Amanda Foulkes in Las Vegas, previously said the diet can be a strain heading into his first international competition.
"You're dealing with the hunger because training goes up and the food [intake] goes down, or stays the same.
"Even simple things like fruit, we're pulling the carbohydrates out."
This year's Natural Olympia will be at the Rio Hotel & Casino in Las Vegas, where the New Zealanders will also be staying.
Inside the hotel there will be the usual bustle of signing in for those entering amateur competition on the Friday - the professionals compete on the Saturday - along with all the usual trade stalls that will be set up seeing protein powders, cloths and performance costumes.
It can be disorienting for wide-eyed Kiwis, who are coming from Christchurch to Auckland and all points in between, so having Dixon and Elliot point them in the right direction will be very useful.
Personally, Dixon has been in good form after winning titles at the Wellington Regional and Asia Pacific Championships in the capital recently.
"I'm on target, hopefully should be alright.
Under long time Wanganui City Gym coach Pat McNamara, Dixon has been building up her shoulders for competition, with her most recent work now getting her legs to the same look.
"Trying to get them more 'cut up' - match my upper body.
"I'm hoping to keep my title, but you never know who's going to show up."
Murray qualified for Natural Olympia after coming third in his division at August's South Pacific Natural Bodybuilding Championship in Taupo.
In his second year of competition, he would also like to make the podium.
Natural bodybuilding is a movement with various competitions for competitors who abstain from performance-enhancing drugs.
This categorically excludes the use of substances like anabolic steroids, insulin, diuretics and human growth hormone.