Open this photo in gallery:

The Canadian Rangers pause on a mountain plateau on Feb 27.Gavin John/The Globe and Mail

The Q&A will happen in the comment section of this article. Click here to leave a question. If you’re an app user, click on the comments icon on the top right of your screen.You can also submit a question for our reporter by sending an e-mail to audience@globeandmail.com, or fill out the submission box at the bottom of this article.To read our responses, bookmark this page and tune back in on Wednesday.

As superpowers jockey for control in the Arctic, it’s become more important than ever to understand the role and actions of Canada’s defence in the region.

For 19 years, the Canadian military has run Operation Nanook, its annual flagship set of Northern exercises designed to test sovereignty, readiness and the ability to operate in one of the world’s harshest regions.

Arctic snowmobile trek pits Canadian Rangers’ resolve against a ‘nightmare’ storm

But now that the region has become more strategically important, the Canadian Rangers have gained international renown among allies for their ability to cross the harsh terrain.

Gavin John, a journalist and strategic studies graduate student at the University of Calgary, recently made the daunting trek with a group of Canadian Rangers across the Arctic by snowmobile. He wrote about the trip and the changing infrastructure of Canada’s Northern strategy.

Reporting from the Far North is important, even when it freezes your cameras solid

On Wednesday, May 13 at 11 a.m. ET, John will answer reader questions about his trip with the Rangers and Canada’s past and future plans for Northern security.

Why is the region so strategically important? How has Canada’s defence plans changed in the last few years? What is it like surviving a blizzard? Submit your questions now.

What’s the future of Canada’s Arctic defence?

On Wednesday, May 13 at 11 a.m. ET, national defence journalist Gavin John will answer reader questions about Canada’s past and future plans for Northern security, and what it was like travelling with a group of Canadian Rangers. Leave your question in the form below, or send an e-mail to audience@globeandmail.com.