In navy parlance, this helmet is for a Sick Berth Attendant (Medic in army speak).
This one nicely marked to "DOC" along with the owners name and number: V547 H.Treller Volunteer Reserve). This helmet is made by the Canadian Lamp Company 1941. His name and number and SBA (Sick Berth Attendant) is written inside the helmet).
![Royal Canadian Navy Volunteer Reserve Medic Helmet (Sick Berth Attendant) Med_0014](https://i.servimg.com/u/f98/14/58/50/97/med_0014.jpg)
![Royal Canadian Navy Volunteer Reserve Medic Helmet (Sick Berth Attendant) Med_0015](https://i.servimg.com/u/f98/14/58/50/97/med_0015.jpg)
![Royal Canadian Navy Volunteer Reserve Medic Helmet (Sick Berth Attendant) Med_0016](https://i.servimg.com/u/f98/14/58/50/97/med_0016.jpg)
![Royal Canadian Navy Volunteer Reserve Medic Helmet (Sick Berth Attendant) Med_0017](https://i.servimg.com/u/f98/14/58/50/97/med_0017.jpg)
This one nicely marked to "DOC" along with the owners name and number: V547 H.Treller Volunteer Reserve). This helmet is made by the Canadian Lamp Company 1941. His name and number and SBA (Sick Berth Attendant) is written inside the helmet).
![Royal Canadian Navy Volunteer Reserve Medic Helmet (Sick Berth Attendant) Med_0014](https://i.servimg.com/u/f98/14/58/50/97/med_0014.jpg)
![Royal Canadian Navy Volunteer Reserve Medic Helmet (Sick Berth Attendant) Med_0015](https://i.servimg.com/u/f98/14/58/50/97/med_0015.jpg)
![Royal Canadian Navy Volunteer Reserve Medic Helmet (Sick Berth Attendant) Med_0016](https://i.servimg.com/u/f98/14/58/50/97/med_0016.jpg)
![Royal Canadian Navy Volunteer Reserve Medic Helmet (Sick Berth Attendant) Med_0017](https://i.servimg.com/u/f98/14/58/50/97/med_0017.jpg)