Hundreds flocked to enjoy the sunshine on Saturday as members of the Army, Royal Navy, and RAF showed off their skills.
Visitors had the photographs taken next to a genuine Second World War Spitfire while others had a look around helicopters and other military hardware.
And, for one day only, St John’s Square was turned into a parade ground as khaki-dressed soldiers showed off their marching.
Some visitors got into the spirit of things by dressing in vintage military uniforms, including Land Girls’ outfits.
Armed Forces week, which has included a special tea dance at the Tower ballroom and a careers day for youngsters, has highlighted the work and sacrifices undertaken by service personnel.