Ret.on Gvmt.disblity,66 in 2016.OPM letter:'ticket terminated',paymnt = SS benefit.This in addition to early ret. SS pay?Did not get 1099R.Have SSA1099.How 2 enter on TT?

I'm an ex government employee,    I retired on disability and i reached 66 in 2016.

I received an OPM letter: my Ticket has terminated, payment becomes SS benefit.

Is this in addition to my early ret. SS payments?

I have no 1099R.

I only SSA1099.

How do I treat it on TT Premier?