The Tower Guard are a military unit in Gondor

Gondor

Gondor is a fictional kingdom in J. R. R. Tolkien's writings, described as the greatest realm of Men in the west of Middle-earth by the end of the Third Age. The third volume of The Lord of the Rings, The Return of the King, is concerned with the events in Gondor during the War of the Ring and with...

 in J. R. R. Tolkien

J. R. R. Tolkien

John Ronald Reuel Tolkien, CBE was an English writer, poet, philologist, and university professor, best known as the author of the classic high fantasy works The Hobbit, The Lord of the Rings, and The Silmarillion.Tolkien was Rawlinson and Bosworth Professor of Anglo-Saxon at Pembroke College,...

's Legendarium

Legendarium

Legendary may refer to:*A hagiography, or study of the lives of saints and other religious figures**The South English Legendary, a Middle English legendary*A legend-Entertainment:*Legendary, an album by Kaysha*Legendary...

. They are part of the permanent garrison of Minas Tirith

Minas Tirith

Minas Tirith , originally named Minas Anor, is a fictional city and castle in J. R. R. Tolkien's Middle-earth writings. It became the heavily fortified capital of Gondor in the second half of the Third Age...

; members include Beregond and Peregrin Took

Peregrin Took

Peregrin Took, more commonly known as Pippin, is a fictional character from J. R. R. Tolkien's fantasy novel The Lord of the Rings. Pippin is introduced as a Hobbit who plays a major role as one of the companions of Frodo Baggins, in his quest to destroy the One Ring.Peregrin was the only son of...

. They famously saw action in the Siege of Gondor

Battle of the Pelennor Fields

In J. R. R. Tolkien's fantasy fiction, the Battle of Pelennor Fields is the battle for the city of Minas Tirith between the forces of Gondor and its allies, and the forces of the Dark Lord Sauron...

 defending the city alongside Gandalf

Gandalf

Gandalf is a character in J. R. R. Tolkien's novels The Hobbit and The Lord of the Rings. In these stories, Gandalf appears as a wizard, member and later the head of the order known as the Istari, as well as leader of the Fellowship of the Ring and the army of the West...

. The Tower Guard of Gondor is also known as the Guard of the Citadel.

Armour

The armour of the Tower Guard of Gondor bears devices of tree, crown and stars.