It afforded excellent opportunity to engage over entire spectrum of maritime operations, says Indian Navy Navies of India and the U.K. participated in a two-day bilateral Passage Exercise (PASSEX) with the Royal Navy Carrier Strike Group (CSG-21) led by HMS Queen Elizabeth in the Bay of Bengal from July 21 to 22. “With the presence of CSG-21 in the Indian Ocean, the exercise has afforded excellent opportunity to engage over the entire spectrum of maritime operations, including anti-submarine warfare, anti-air and anti-surface warfare,” a Navy statement said. The Indian Navy was represented by five ships, a submarine and a P-8I long range patrol aircraft in its maiden exercise with the Royal Navy’s latest aircraft carrier.