How would i write this on an envelope?

Question

IR1a (2)

Directorate of Recruitment (Royal Air Force)

PO Box 1000

Royal Air Force College Cranwell

Sleaford Lincolnshire

NG34 8GZ

ENGLAND

Answer 1

I lived in uk. It goes like this and yes add England because there are other countries that have similar  names and post codes:like- Wales,Scottland,and Northern Ireland. It makes posting go smoother.

IR1a(2)

Directorate of Recruitment

Royal Air Force College Cranwell

Sleaford, Lincolnshire

England

NG34 8GZ

Answer 2

IR1a (2)

      Directorate of Recruitment (Royal Air Force)

            PO Box 1000

                   Royal Air Force College Cranwell

                          Sleaford

                                Lincolnshire

                                      NG34 8GZ

If you're living in the UK, I'd drop the England

Answer 3

IR1a (2)

Directorate of Recruitment (Royal Air Force)

PO Box 1000

Royal Air Force College Cranwell

Sleaford

Lincolnshire

NG34 8GZ

ENGLAND

best to seperate the town and the county on different lines.

..

Answer 4

Have a comma between sleaford and lincolnshire