Master Sgt. Robert Allen, a native of Pawnee, Okla., serves as the aircraft rescue firefighting chief for Marine Wing Support Squadron 371 in Camp Leatherneck, Afghanistan. An avid musician, Allen wrote a Christmas song for his wife, Carla, as he spends the holidays away from her and their three children.::r::::n:: - Master Sgt. Robert Allen, a native of Pawnee, Okla., serves as the aircraft rescue firefighting chief for Marine Wing Support Squadron 371 in Camp Leatherneck, Afghanistan. An avid musician, Allen wrote a Christmas song for his wife, Carla, as he spends the holidays away from her and their three children.::r::::n::