I assume "a small fraction" is what you meant. According to their most recent 10-K, the Defense, Space, and Security business unit represents about 23% of Boei

I assume "a small fraction" is what you meant. According to their most recent 10-K, the Defense, Space, and Security business unit represents about 23% of Boeing's revenue and 13% of their profit. Some portion of the Global Services revenue comes from government contracts as well, though, so the true contribution is higher. https://www.sec.gov/cgi-bin/viewer?action=view&cik=12927&accession_number=0000012927-19-000010&xbrl_type=v# https://www.sec.gov/cgi-bin/viewer?action=view&cik=12927&acc...