Navy SC also completed the 'Grand Double' by winning the Dialog Rugby League Championship with an undefeated season that same year.
In their first game against the 1974 Clifford Cup champions, Havelock SC they narrowly lost by 13 points to 9.
[1] In 1976 Navy SC competed in their first final of the Clifford Cup, captained by Ilex Perera, again losing to Havelock, 15-3.
[2] It wasn't until 1989 that Navy SC appeared in their next Clifford Cup final, losing to Ceylonese R & FC, 6-3.
In 2010 and 2011 they again were successful in reaching the Clifford Cup final, falling short both times to Kandy SC.