On September 15, Kate Middleton met members of the military at RAF Brize Norton, in Oxfordshire who assisted with evacuation efforts from Afghanistan and supported individuals as they arrived in the UK.
The US and UK’s rapid withdrawal marked the end of nearly 20 years of military intervention in the county.
He said: "To meet the Duchess and for her to be so interested in and engaged with our stories was brilliant.
"We're serving our queen, our country, the royal family. And obviously to have that level of the 'boss' coming along and patting you on your back for the hard work was amazing."
READ MORE: What Prince Harry said that made Kate Middleton cry on her wedding day
Kate also spent time with volunteers who supported evacuees when they arrived in the UK.
RAF Brize Norton in Oxfordshire has over 5,800 Service personnel and 300 civilian staff.
This public sighting of the Duchess follows as the royal family begins their return to work after the summer holidays.
Her husband, Prince William met with celebrity guests on Tuesday evening while attending The Sun's Who Cares Wins health awards for NHS staff.
Kate and William don't 'spend a lot of time' thinking about Megxit [ANALYSIS]
Expert quashes speculation Kate is planning for fourth royal baby [INSIGHT]
Kate receives more gifts from Royal Family than Meghan [REVEAL]
William was spotted chatting with former football legend David Beckham at the awards gala - who is known to be close with both Prince William and his brother, Prince Harry.
The event is close to William’s heart as the Duke has formerly worked as an emergency ambulance pilot and is well acquainted with the heroic work of first responders.
In total over 15,000 people were airlifted and flown out of Afghanistan’s capital Kabul by the Royal Air Force, marking one of the largest military airlifts in modern history.
Operation Pitting ran between August 14 and 28, and out of those 15,000 people around 850 individuals were brought to RAF Brize Norton.
Thousands of people in Afghanistan were tried to flee the Taliban in August after the militant group’s rapid takeover.
The Taliban took control of Kabul on August 15 - only ten days after the first provincial capital Zaranj was captured by the group.