Kelly Tierney

Lieutenant Kelly Tierney was a female Starfleet engineer who served aboard the USS Enterprise-E. In 2379 she was part of the Alpha team under the command of Commander William T. Riker which was sent to Tezwa's Mokana Basin to destory the nadion-pulse cannon firebase located there. After helping to set the charges leading to the destruction of the base, she was shot and killed by a sniper. Her body was later recovered by Enterprise personnel. (TNG: A Time to Kill)