The senior Pentagon official said no other marines would face charges in the case.
She faces a maximum of 35 years in prison in the case, which opened for trial on May 23.
A former stockbroker became the first person to face criminal charges in the case.
The officers could face departmental discipline in the case.
Another official said that about half a dozen additional officers could face criminal or administrative charges in the case.
Three former army generals may also face charges in the case.
He also faces a charge of statutory rape in the case of the 13-year-old.
He sighed and faced the people in the case.
The worker did not have a permit for the gun, and he might face charges in the case, the police said.
The Mubaraks face additional corruption charges in the same case.