Short answers, pulled from the story.
Operation Wilfred was a British naval minelaying operation ordered by Winston Churchill on the 20th of February 1940. The mines were laid off the Lofoten Islands in Vestfjorden on the 8th of April 1940 to disrupt Swedish iron ore shipments to Germany.
Britain launched Operation Wilfred to prevent German control over Sweden and stop the flow of iron ore from Narvik to Berlin. Orme Sargent advocated for seizing Lapland iron ore fields to ensure Finnish defeat would not lead to German dominance over Scandinavia.
Major-General Pierse Macksey served as land commander while Admiral Edward Evans commanded the naval force under Plan R3. Lieutenant-Commander Gerard Roope led HMS Glowworm which engaged the German heavy cruiser Hipper before sinking on the 6th of April 1940.
Up to 100,000 British and 50,000 French troops were prepared to participate with air and naval support. Three battalions of infantry and ski companies were assigned to land at Narvik to advance along the railway toward Lapland iron ore fields.
Operation Weserübung began on the 9th of April 1940 when Germany invaded Norway taking Norwegians by surprise. British and French troops landed at Narvik on the 14th of April to assist Norwegians but the operation ultimately failed to stop German access to Swedish iron ore.