Submarine undergoes endurance, underwater testing as delivery expected later this year
Submarine undergoes endurance, underwater testing as delivery expected later this year
Prototype continues underwater testing, potentially including torpedo operations
Prototype continues underwater testing, potentially including torpedo operations
Shorter interval between tests indicates progress in refining submarine's operating systems
Shorter interval between tests indicates progress in refining submarine's operating systems
Contractor says indigenous submarine now on track for June handover
Contractor says indigenous submarine now on track for June handover
Handover to Navy expected in June
Handover to Navy expected in June
Depths of up to 50 m planned for first day of diving tests
Depths of up to 50 m planned for first day of diving tests
CSBC continues trials as Narwhal moves closer to Navy delivery
CSBC continues trials as Narwhal moves closer to Navy delivery
Preparations under way for shallow diving trials
Preparations under way for shallow diving trials
Lawmakers want to hear update on scheduling
Lawmakers want to hear update on scheduling
Narwhal faces second day of sea acceptance tests
Narwhal faces second day of sea acceptance tests
