Take context from the input text and decide on the accurate relationship between 'Inmarsat' and 'LONDON' from the options provided.
Options: manufacturer, headquarters location, member of, legal form

LONDON (ShareCast) - (ShareCast News) - Inmarsat (Other OTC: IMASF - news ) confirmed that the launch of its third satellite in the Global Express programme, I-5 F3, has been scheduled at the Baikonur Cosmodrome in Kazakhstan on Friday 28 August.
headquarters location