The 3 successful ones we have are Labs, but along the way there have been 2 unsuccessful Labs. The other DDO has had 2 labs. So in all 7 rescued Labs and all trained to be DDDogs, 5 successful and the other 2 rehired to living officers. But, the digs usually retire at 8, our 2 older boys are now 11 and won't live much longer DD#3 is 6 coming on 7 he will retire in 18 months so we need a new dog trained. The other DDO his DD#1 died 2 yrs back, she was our DD#1 mother. His other DD#2 needs to retire very soon hence the high need for replacements and the training. Like I said it's a hi ho stressful life being a DDO. They all get defence service medals on 5 yrs service. It's really quite cool.