line of duty. "action news" reporter trish hartman spoke with family members of those fallen heros. >> and as the sheets fell away memorial emblem was unveiled on new rapid response vehicle. a solemn moment for families of philadelphia police officers and firefighters killed in the line of duty. >> we are prepared to help other people that's what he did helped other people and we miss him for that too. >> the new truck purchased using donations will be used on the scene of working fires and other incidents by the philadelphia second alarmers volunteers dedicated to supporting emergency responders in the line of duty. and as it was put into service a ceremony honored lives of sergeant robert wilson iii killed earlier this year in attempted robbery in north philadelphia, officer moses walker, jr. shot and killed in 2012 and firefighter joyce craig killed in 2014 battleing a house fire and michael goodwin who died in 2013 battleing a blaze