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Any need to have the navbox header and groups coloured the way that it is currently (background:steelblue and background:lightsteelblue)? It sticks out rather unnecessarily when put against other conformed navboxes such as on ARIEL (spacecraft), and I don't see exactly where this colour scheme is adopted from, as none of the official material from the Explorers Program that I've seen seem to indicate steel blue as an official colour designated to the program. Pinging Brickmack, Fotaun, and Hms1103, the last three active notable contributors to the template. – PhilipTerryGraham (talk · articles · reviews) 20:59, 22 March 2018 (UTC)