Sgt. Nicholas A. Skaggs, a platoon sergeant with Company C, 6th Engineer Support Battalion, 4th Marine Logistics Group, Marine Forces Reserve, provides security on a building during a simulated raid on an urban compound during exercise Red Dagger at Fort Indiantown Gap, Penn., June 13, 2016. Exercise Red Dagger is a bilateral training exercise that gives Marines an opportunity to exchange tactics, techniques and procedures as well as build working relationships with their British counterparts. - Sgt. Nicholas A. Skaggs, a platoon sergeant with Company C, 6th Engineer Support Battalion, 4th Marine Logistics Group, Marine Forces Reserve, provides security on a building during a simulated raid on an urban compound during exercise Red Dagger at Fort Indiantown Gap, Penn., June 13, 2016. Exercise Red Dagger is a bilateral training exercise that gives Marines an opportunity to exchange tactics, techniques and procedures as well as build working relationships with their British counterparts.