Bam Bam had already done 42 missions and the crew reported strong smell of fuel inside however they were told to continue in air they reported to control that the smell was getting constantly worse and wanted to return. Soon after, it exploded 1/4 of a mile SW of Great Gidding. Six out of the ten aircrew died and four survived. Due to the controversy that the crew raised concerns but were ordered to fly, this was kept a secret for 70 years until 2014