He said the trust is based in Christchurch and has chapters in Otago and Southland.
With the centenary commemorations of World War I happening over four years, they are "reasonably busy", he said. They have about 20 members in Christchurch.
"Trevor and Mike are both ex-services, but we have civilians," adding that they are all "horse people". "Fletcher has just turned 16 -- a similar age to some of the soldiers."
Mr Appleton is a polo player, while Mr King has worked with horses in movies. The trust would like to expand to the North Island, and can help if someone would like to start a chapter.
"We're also looking for anybody who wants to sponsor us and see their name on our horse floats."