U.S. Marine Corps Cpl. Nicholas Muller, left, an
U.S. Marine Corps Cpl. Nicholas Muller, left, an administrative specialist with 4th Civil Affairs Group, Force Headquarters Group, aims his weapon at a simulated active shooter at Naval Operational Support Cent... More
U.S. Marine Corps Cpl. Nicholas Muller, left, an
U.S. Marine Corps Cpl. Nicholas Muller, left, an administrative specialist and Gunnery Sgt. Christian Caballero, right, a ground operations chief, both with 4th Civil Affairs Group, Force Headquarters Group, ai... More
U.S. Marine Corps Cpl. Nicholas Muller, an administrative
U.S. Marine Corps Cpl. Nicholas Muller, an administrative specialist with 4th Civil Affairs Group, Force Headquarters Group, breaches a room during a simulated active shooter exercise at Naval Operational Suppo... More
U.S. Marine Corps Sgt. Guy Kreiner, left, an armorer
U.S. Marine Corps Sgt. Guy Kreiner, left, an armorer with 4th Civil Affairs Group, Force Headquarters Group, provides security during a simulated active shooter exercise at Naval Operational Support Center & Ma... More
U.S. Marine Corps Staff Sgt. Marshall Kulik, a career
U.S. Marine Corps Staff Sgt. Marshall Kulik, a career planner with 4th Civil Affairs Group, Force Headquarters Group, provides security during a simulated active shooter exercise at Naval Operational Support Ce... More
U.S. Marine Corps Cpl. Nicholas Muller, an administrative
U.S. Marine Corps Cpl. Nicholas Muller, an administrative specialist with 4th Civil Affairs Group, Force Headquarters Group, provides security during a simulated active shooter exercise at Naval Operational Sup... More
U.S. Marines with 4th Civil Affairs Group, Force
U.S. Marines with 4th Civil Affairs Group, Force Headquarters Group, clear a hallway during a simulated active shooter exercise at Naval Operational Support Center & Marine Corps Reserve Center Miami, June 8, 2... More
U.S. Marines with 4th Civil Affairs Group, Force
U.S. Marines with 4th Civil Affairs Group, Force Headquarters Group, give verbal commands to a simulated active shooter at Naval Operational Support Center & Marine Corps Reserve Center Miami, June 8, 2019. All... More
Casings lay on the ground during a simulated active
Casings lay on the ground during a simulated active shooter exercise at Naval Operational Support Center & Marine Corps Reserve Center Miami, June 8, 2019. All 160 Marine Corps Reserve Training Centers are expe... More
U.S. Marines with 4th Civil Affairs Group, Force
U.S. Marines with 4th Civil Affairs Group, Force Headquarters Group, clear a hallway during a simulated active shooter exercise at Naval Operational Support Center & Marine Corps Reserve Center Miami, June 8, 2... More
U.S. Marines with 4th Civil Affairs Group, Force
U.S. Marines with 4th Civil Affairs Group, Force Headquarters Group, clear a hallway during a simulated active shooter exercise at Naval Operational Support Center & Marine Corps Reserve Center Miami, June 8, 2... More
U.S. Marine Corps Gunnery Sgt. Jonathan Espinoza, an
U.S. Marine Corps Gunnery Sgt. Jonathan Espinoza, an operations chief with 4th Civil Affairs Group, Force Headquarters Group, clears a hallway during a simulated active shooter exercise at Naval Operational Sup... More
U.S. Marines with 4th Civil Affairs Group, Force
U.S. Marines with 4th Civil Affairs Group, Force Headquarters Group, clear a hallway during a simulated active shooter exercise at Naval Operational Support Center & Marine Corps Reserve Center Miami, June 8, 2... More
U.S. Marine Corps Cpl. Chelsie Hicks, an administrative
U.S. Marine Corps Cpl. Chelsie Hicks, an administrative clerk with 4th Civil Affairs Group, Force Headquarters Group, provides security during a simulated active shooter exercise at Naval Operational Support Ce... More
U.S. Marine Corps Gunnery Sgt. Christian Caballero,
U.S. Marine Corps Gunnery Sgt. Christian Caballero, a ground operations chief with 4th Civil Affairs Group, Force Headquarters Group, participates in a simulated active shooter exercise at Naval Operational Sup... More
A protective helmet lays on a table during a simulated
A protective helmet lays on a table during a simulated active shooter exercise at Naval Operational Support Center & Marine Corps Reserve Center Miami, June 8, 2019. All 160 Marine Corps Reserve Training Center... More
U.S. Marine Corps Staff Sgt. Erika Trujillo, a supply
U.S. Marine Corps Staff Sgt. Erika Trujillo, a supply officer with 4th Civil Affairs Group, Force Headquarters Group, participates in a simulated active shooter exercise at Naval Operational Support Center & Ma... More
U.S. Marine Corps Staff Sgt. Gregory Smith, a maintenance
U.S. Marine Corps Staff Sgt. Gregory Smith, a maintenance chief with 4th Civil Affairs Group, Force Headquarters Group, Marine Forces Reserve, provides security during a simulated active shooter exercise at Nav... More