The idea was to lay a wreath honoring the 13 members of the U.S. military who were killed during the evacuation of Kabul in 2021 and film a political ad. They would distribute the video and attack Vice President Harris and President Biden for not “showing up” for their campaign event, which they sought to portray was an established memorial.
https://talkingpointsmemo.com/edblog/trumps-arlington-cemetery-campaign-event