The uniform she's been wearing during the mourning period to date is a Royal Navy ceremonial uniform, which she earned when she was promoted to admiral in 2012. Princess Anne wearing her royal navy ...

She has never served in the Royal Navy, nor any other branch of the British armed forces. But like many royals, she holds a number of honorary military titles. Credit: AP Photo/Jon Super, Pool ...

Some members of the royal family wore military uniforms despite not serving in the military. ... She has never served in the Royal Navy, nor any other branch of the British armed forces.

Royal Navy sparks fury with new ‘inclusive’ diversity overhaul of uniforms In a bold move towards inclusivity, the Royal Navy has updated its formal dress code, allowing officers to wear ...

She has never served in the Royal Navy, nor any other branch of the British armed forces. But like many royals, she holds a number of honorary military titles. Credit: AP Photo/Jon Super, Pool ...

Some members of the royal family wore military uniforms despite not serving in the military. ... She has never served in the Royal Navy, nor any other branch of the British armed forces.

She has never served in the Royal Navy, nor any other branch of the British armed forces. But like many royals, she holds a number of honorary military titles. Credit: AP Photo/Jon Super, Pool ...

Some members of the royal family wore military uniforms despite not serving in the military. ... She has never served in the Royal Navy, nor any other branch of the British armed forces.

She has never served in the Royal Navy, nor any other branch of the British armed forces. But like many royals, she holds a number of honorary military titles. Credit: AP Photo/Jon Super, Pool ...