Canadian HALIFAX class Patrol Frigate HMCS VANCOUVER (FFH 331) steams along side the NIMITZ class Aircraft Carrier USS JOHN C. STENNIS (CVN 74) as ships from the JOHN C. STENNIS Battle Group return from an extended deployment in support of Operation ENDURING FREEDOM. The battle group deployed November 2001, two months ahead of its scheduled date after the September 11th terrorist attacks.