Original sentence: 1967  SeaSprites are modified into twin turbine helicopters.February 1993  SH-2G Seasprite - The new version of the SeaSprite, with new avionics, mission electronics and GE T-700 engines, enters US Navy service
Edited sentence: 1967  Seasprites are modified into twin turbine helicopters.February 1993  SH-2G Seasprite - The new version of the Seasprite, with new avionics, mission electronics and GE T-700 engines, enters US Navy service