The Economic Times

When $5.5 billion nuclear-powered US aircraft carrier was sunk by $850 million Australian diesel submarine after it slipped past its defenses

The Australian submarine HMAS Waller marked a significant achievement, simulating a successful attack on a US carrier group and showcasing the effectiveness of conventional submarines against well-armed fleets. Although there were initial setbacks, Australia intends to maintain the Collins-class submarines until the late 2030s while moving toward nuclear options, underscoring the strategic alliance with the United States and United Kingdom.