Complex sentence: 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.
Split into simpler sentences: Bam Bam had already done 42 missions and the crew reported a strong smell of fuel inside, however they were told to continue with the mission. While flying, they reported to control HQ that the smell was getting constantly worse and that they wanted to return.