"On average, about 10,000 men are sexually assaulted in the American military each year, according to Pentagon statistics"

NYT:

there are so many more men than women in the ranks that the total numbers of male and female victims in recent years have been roughly similar

...

Only in 2006, after the office began surveying service members, he said, did the military learn that at least as many men as women were being assaulted.

“That was surprising to senior leadership,” Mr. Galbreath said. “Everyone was so sure the problem was a women’s issue.”