Refer to the input text as context and select the correct relationship between 'Inmarsat' and 'London' from the available options.
Options: headquarters location, legal form, distributed by, location of formation

Inmarsat (LSE: ISAT.L - news ) ’s shares were rocketing in London alongside the launch of its third Global Xpress satellite, which went into orbit yesterday to help complete the firm’s next-generation broadband internet network.
headquarters location