Marines with Support Company, 2nd Combat Engineer Battalion, fire M240B Machine Guns and M2 Browning .50-Caliber Machine Guns at targets of an unknown distance from the turrets of armored Humvees as part of a convoy live-fire range at Fort A.P. Hill, Virginia, Aug. 4, 2015. The company conducted the five vehicle convoy in order to increase their proficiency with the weapons systems and to improve their communication skills. - Marines with Support Company, 2nd Combat Engineer Battalion, fire M240B Machine Guns and M2 Browning .50-Caliber Machine Guns at targets of an unknown distance from the turrets of armored Humvees as part of a convoy live-fire range at Fort A.P. Hill, Virginia, Aug. 4, 2015. The company conducted the five vehicle convoy in order to increase their proficiency with the weapons systems and to improve their communication skills.