A number of them are taking the Defence Force to the High Court over the directive to get the jab or be discharged.
"If you take 1300 people out of our normal operations then of course, it's going to have an effect on our response options."
Aircrews are practising tactical flying, airdrops, and how to evade surface-to-air missiles before leaving.
The sailor was found guilty of three serious sexual assault and violation charges.
The major investment in a range of new military hardware and upgrade was announced in 2019.
"Hell yeah, you can give it a go."
More than $100 million has been spent on keeping the aircraft going since 2016.
Corporal Grant was the third New Zealand soldier to be killed on our 20-year deployment.
Some graves haven't been looked after in 100 years.