Can see from this satellite photo of the new runway together with changi naval base and paya lebar airbase.
I can also make out the PDS loop over at Changi East Airbase.
BTW, why do we need another airbase? Because the space happens to be available? I don't see any PDS at all. It's all underground? Or are we building another 'Pearl Harbour'?
I wonder how effective this runway will be (for fighters) taking into consideration that Changi Airport is such a busy place? How many takeoff slots will be available for the RSAF to use and do they have any control over these slots at all?
I think that's the reason why Changi East is for the transports. Do we have that many to warrant another runway???
JDW mentioned it's more for the USN rather than SAF.