WW2 Pacific: what foreign aircraft carrier was loaned to the USN in 1943?

Question

In mid-1943, the USN was reduced to a single serviceable carrier (USS Saratoga) in the Pacific. (USS Enterprise was in dock for an overhaul.) The USN borrowed a foreign carrier for some months.
[a] What was that foreign ship?
[b] What name was it temporarily assigned within the USN?

Answer 1

H.M.S. Victorious (R 38), American code name, U.S.S. Robin.