James joined HMS Ganges in June 1935, he won a bronze medal from the RLSS in his first term.

HIS REPLICA MEDALS IN THE GANGES MUSEUM https://pbase.com/hms_ganges_museum/image/171734933

PLEASE FOLLOW THE LINKS BELOW FOR MORE INFORMATION.
http://www.vconline.org.uk/james-j-magennis-vc/4587495128
https://wartimeni.com/person/james-joseph-magennis/
https://www.irishpost.com/news/10-facts-about-james-magennis-the-only-northern-irish-recipient-of-the-victoria-cross-in-world-war-ii-79469
http://www.godfreydykes.info/This%20page%20and%20its%20constituent%20parts%20is%20intended%20for.html

Memorials
The grounds of the City Hall, Belfast
Royal Naval Association, Great Victoria Street, Belfast
A wall mural, Belfast
St. Peter's Cathedral Church, Stott Hill, Bradford