Military sexual assault cases up slightly in 2020, leaders vow to keep fighting The number of cases in the Army and Marines is up. Navy and Air Force numbers are down. Author: Mike Gooding Updated: 5:42 PM EDT May 18, 2021 In total, there were 6,290 sexual assault reports by service members for incidents that occurred during military service last year. "This is up by 1% from the 6,236 service members reports that we received in fiscal year '19," said Pentagon spokesman John Kirby. The Army and Marine Corps saw slight increases in the number of reports, while the Navy and Air Force saw small decreases. "This is an issue that has to be addressed, has to be addressed ASAP," said Sen. John Tester (D-Montana).