 In 1984 Washington approved the supply of selected technology to India including gas turbines for naval frigates and engines for prototypes for India's light combat aircraft.There were also unpublicised transfers of technology, including the engagement of a US company, Continental Electronics, to design and build a new VLF communications station at Tirunelveli in Tamil Nadu, which was commissioned in the late 1980s.However, it was not until the late 1990s that there was a significant effort by both countries to improve relations with each other.