
Four Eurofighter Typhoon fighter jets belonging to the UK’s Royal Air Force deployed to Malaysia (where they took part to LIMA – Langkawi International Maritime & Aerospace Exhibition) last week thanks to the support provided by the Italian Air Force Boeing KC-767A, the new aerial refueler on which the future U.S. KC-46 tanker is based.
An Italian 767, belonging to the 14° Stormo, deployed from Pratica di Mare airbase to Leuchars and then flew alongside the four British combat planes on their route to Malaysia via Akrotiri (Cyprus), Bahrain and Sri Lanka.
The RAF Typhoon jets of the 1 Sqn took their fuel from the two wing station, plugging their IFR (In Flight Refueling) probes in the baskets of the tanker’s hose and drogue system.
Interestingly, on the first and longest leg of the ferry flight the Italian KC-767A was supported by another aircraft of the same type that refueled it mid-air using the flying boom “piloted” by the “boomer” by means of an adveniristic Remote Vision System.

My question is:
why the second KC-767A didn’t just take over the same type instead of refuelling it?
Was the second tanker not approved for refuelling UK Typhoons or all this was structured just to involve also a KC-767A to KC-767Arefuelling?