170303-N-JD834-040 ATSUGI, Japan (March 3, 2017) Damage Controlman 2nd Class Ashley Perez, assigned to the Naval Air Station Atsugi's Emergency Management department, deploys a boom as part of a facility response team drill. The training exercise is held once a year to keep Sailors familiar with the proper way to handle any hazardous materials that may get into the river. (U.S. Navy photo by Mass Communication Specialist 2nd Class Michael Doan/Released)