12 OCTOBER/NOVEMBER 2023 www.vanguardcanada.com
E N D U R A N C E
A CA N A D I A N
S U B M A R I N E?
W H Y I S E N D U RA N C E I M PO RTA N T F O R
B Y C A P T ( N ) N O R M A N J O L I N ( R E T ' D )
U
nsurprisingly, the brief
called for diesel electric sub-
marine, fitted with a non-
nuclear air independent
propulsion (AIP) system;
clearly stating nuclear power was not an
option.
The brief then listed a number of key
requirements, notably the need for sig-
nificant "Range, Endurance, Persistence",
which they defined as the ability to deploy
undetected out to a range of 3500 nauti-
cal miles (nm), patrol covertly for 21 days
IN APRIL 2023, AT THE ANNUAL CANADIAN
ASSOCIATION OF DEFENCE AND SECURITY
INDUSTRIES (CADSI) NAVY OUTLOOK, THE
NAVY BRIEFED THE CANADIAN PATROL
SUBMARINE PROJECT (CPSP) AND WHAT THEY
CONSIDERED WERE THE KEY ATTRIBUTES FOR
A FUTURE SUBMARINE TO REPLACE THE IN-
SERVICE VICTORIA-CLASS SUBMARINES.
Range and Endurance. Image: Department of National Defence
