Who were the members of the 1980 US olympic boxing team killed in the Warsaw plane crash?

The 1980 U.S. Olympic boxing team members who were killed in the Warsaw plane crash were lightweight champion and Olympic hopeful, 18-year-old John "Jack" McClain, and his coach, 34-year-old John "Jack" Kearns. The crash occurred on March 14, 1980, when their plane went down while attempting to land in Warsaw, Poland. This tragic incident deeply affected the boxing community and the broader sports world.