The Department of Defense (DoD) defines sexual assault as:
Intentional sexual contact characterized by use of force, threats, intimidation, or abuse of authority, or when the victim does not or cannot consent. The term includes a broad category of sexual offenses consisting of the following specific Uniform Code of Military Justice (UCMJ) offenses: rape, sexual assault, aggravated sexual contact, abusive sexual contact, forcible sodomy (forced oral or anal sex), or attempts to commit any of these acts.
Sexual assault can occur without regard to sex or spousal relationship or age of victim. Sexual assault is a crime.