A number of Defence Force staff at managed isolation or quarantine facilities have been investigated for alleged misconduct.
The cases upheld include a Defence Force security staff member passing a returnee a note which included their personal phone number.
The person involved has been charged under the Armed Forces Discipline Act.
In another case, a civilian security guard was shown an explicit image on a phone.
The person has been removed from duty and is undertaking corrective training.
The alleged incidents happened at the Christchurch, Rotorua and Auckland isolation facilities between August and November.
Meanwhile, the head of managed isolation and quarantine is standing down from the job as the operation switches to its next phase.
Air Commodore Darryn Webb, 49, took on the position in June.
He will be replaced by Army Land component Commander Brigadier Jim Bliss.
Air Commodore Webb dealt with more than 10 people who escaped from the facilities during his time as head of managed isolation and quarantine.
