sentences:  During the defusal of the acoustic mine, which had lain in the water off Milford Haven Wales for two and a half years, Goldsworthy struck his head on the foot of a ladder while underwater and injured his back while trying to get clear.He, nonetheless, had still managed to extract the fuse and primer.He was awarded the George Cross in September 1944 for his work in recovering and defusing mines during this period; he was also promoted to lieutenant commander.