On Wednesday afternoon The Aberdeen Fire Department was alerted for a Tower run to assist Station 12-Aberdeen with a working Building fire in a Research Laboratory. Tower 231 with 4 marked up shortly after the alert and while Tower 231 was enroute command requested the 2nd alarm.After the alert of the 2nd alarm it brought Engine 215 Engine 214 Engine 216 and Heavy Rescue 251. Once crews arrived on scene Tower 231 was assigned to the roof E215s crew was assigned to assist Tower 231s crew with roof operations Rescue 251 assisted with lighting and E214 and E216 remained in staging. Units operated for over an hour before E214 E216 and Rescue 251 were released. Tower 231 and E215 remained on the scene and operated until approx 1900 hours.During this time Paramedic 292 and IV 291 handled two seperate EMS calls Engine 212 was attended and Engine 113 transferred to Aberdeen House 1.Chief 12 had the command.Pictures will not be posted due to security reasons.