Chloe Allen joined the Scots Guards as a man in 2012 but began hormone therapy in the last month, and has officially changed her name.
"All the paperwork within the Army, within the battalion, has been changed and sorted out. My passport will be done shortly," she told BBC.
"It's brilliant, it's amazing... To say everything that I've wanted it to say and for me to still be serving as an infantryman is even better," she added.
The application process for female recruits was due to open later this year after the UK government had opened up frontline roles to women.
Guardsman Allen had initially thought she would have to leave her post in the First Battalion Scots Guards.
But she decided to talk to a careers officer and was informed she could continue in her role as a rifleman and driver of a Mastiff armoured truck.
General Sir James Everard, Commander of the Field Army, said: "I'm delighted to have our first woman serving in a ground close combat unit.
Disclaimer: No Business Standard Journalist was involved in creation of this content
You’ve reached your limit of {{free_limit}} free articles this month.
Subscribe now for unlimited access.
Already subscribed? Log in
Subscribe to read the full story →
Smart Quarterly
₹900
3 Months
₹300/Month
Smart Essential
₹2,700
1 Year
₹225/Month
Super Saver
₹3,900
2 Years
₹162/Month
Renews automatically, cancel anytime
Here’s what’s included in our digital subscription plans
Exclusive premium stories online
Over 30 premium stories daily, handpicked by our editors


Complimentary Access to The New York Times
News, Games, Cooking, Audio, Wirecutter & The Athletic
Business Standard Epaper
Digital replica of our daily newspaper — with options to read, save, and share


Curated Newsletters
Insights on markets, finance, politics, tech, and more delivered to your inbox
Market Analysis & Investment Insights
In-depth market analysis & insights with access to The Smart Investor


Archives
Repository of articles and publications dating back to 1997
Ad-free Reading
Uninterrupted reading experience with no advertisements


Seamless Access Across All Devices
Access Business Standard across devices — mobile, tablet, or PC, via web or app
