They had two children, Lorin Gabriella and Venezia Loran. In 1982 its aircraft navigator 602 LORAN C receiver permitted point to point navigation. GPS correction messages were sent as part of a test of the Alaskan LORAN chain. The drones had multiple navigation systems including inertial, Doppler, and LORAN. Accuracy was found to be at , a significant advance over LORAN. This has applications in navigation and positioning systems such as LORAN. However, there are attempts to enhance and re-popularize LORAN. The systems included&colon; Gee, Oboe, LORAN, H2X, MEW & SCR-584. Fire-fighting foam was invented by the Russian engineer and chemist Aleksandr Loran in 1902. The permit for a LORAN station to operate on Johnston Island was terminated in 1962. Although MUTNS was unrelated to the Loran systems, it was sometimes referred to as Loran-F. The B.2 (MRR) was additionally fitted with the LORAN C navigation system.