Enhanced Side Winders, Stinger Manpads, Intelligence, and Fuel....but as usual....a bit slow to make the decision but when it was made....some of the items arrived within Six Hours and far more within Twenty Four Hours.
Your Fleet was out of fuel upon arriving at Ascension.....until we diverted a Supertanker with fuel to top off the Fleet and on-shore tankage.
Some interesting reading here......
Significant and Surprising: American Assistance to Great Britain in the Falklands War | Graham Jenkins - Academia.edu