The armed forces will be celebrated on Saturday with a day of activities at Pontefract Park.
A parachute display and flypast from a Lancaster Bomber will be among events at the park to mark Armed Forces day.
A search and rescue demonstration from the police helicopter, along with a police dogs display, will also be part of the event.
Food will be served and youngsters can enjoy a bouncy castle, giant slide, bungee trampoline, face painting and paint balling.
Coun Sandra Pickin, the district’s armed forces champion, said: “We’re really excited for the event this week.
“So much hard work and planning has gone into providing a fantastic day of celebrations.
“With so many attractions taking place throughout the day there really is something for everyone.
“Armed Forces Day is a great way to bring people together to recognise the contribution of those who have fought to protect our county and those still serving.
“Come along to Pontefract Park to enjoy what is sure to be a fantastic day out for all the family.”
West Yorkshire Fire and Rescue, St Johns Ambulance, the Sea Cadets, Army Cadets, Air Training Corps and Scouts will among organisations represented as Armed Forces day is celebrated at Pontefract Park for the first time.
Visitors to the event will also be able to meet animals from Owl Adventures, a falconry-based mobile zoo.
And there will be a falconry flying display the main arena of the park.
Winners of an armed forces children’s competition will also be presented with prizes by Lord St Oswald and army veteran Ben Parkinson at the event.