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Desperate hunt for missing Indonesian submarine as oxygen set to run out

Rescue aircraft and ships scoured the sea north of Bali on Friday as the hunt for a missing Indonesian submarine with 53 crew on board reached a critical phase due to limited supplies of oxygen aboard the 44-year-old vessel.
More navy ships left the Indonesian base of Banyuwangi early on Friday to head to the Bali Sea where contact was lost with the KRI Nanggala-402 on Wednesday during a torpedo drill.
“The main priority is the safety of the 53 crew members,” President Joko Widodo said late on Thursday, calling for an all-out effort to find the vessel.
Helicopters also flew from Bali at first light.
Officials have said the air supply of the submarine, which had been cleared for use and was said to be in good condition, would last only until Saturday.
“Hopefully before they can be found, the oxygen will be enough,” Yudo Margono, the navy chief of staff, told a news conference.
The commander of the Indonesian submarine fleet, Harry Setiawan, was one of four people aboard who were not regular crew members, a military official said.
While nothing conclusive had been found in the search so far, Yudo said an item with “high magnetic force” at a depth of 50-100 meters (164-328 ft) had been spotted. It was unclear if the object was suspended or on the sea floor.
The diesel-electric powered submarine could withstand a depth of up to 500 meters but anything more could be fatal, a navy spokesman said. The Bali Sea can reach depths of more than 1,500 meters.
An aerial search also spotted an oil spill near the submarine’s dive location, which the navy said could indicate damage to the vessel or could be a signal from the crew.
The 1,395-ton vessel was built in Germany in 1977 and joined the Indonesian fleet in 1981, according to the defense ministry. It underwent a two-year refit in South Korea that was completed in 2012.
The navy has said a blackout may have occurred during static diving, causing a loss of control and preventing emergency procedures from being carried out.

A number of countries have responded to Indonesia’s requests for assistance, with Australia, Malaysia, India, Singapore and the US sending specialized ships or aircraft.
The US defense Department is sending “airborne assets” to assist in the submarine search, Pentagon spokesman John Kirby said on Twitter.
US defense Secretary Lloyd Austin is scheduled to speak with Indonesian defense Minister Prabowo Subianto on Friday “to convey our sorrow and to discuss how else the US can be of assistance,” Kirby said.
Meanwhile, two Australian ships were heading for the search area including a support ship and a frigate with sonar capabilities, the defense department said in a statement.
Indonesia has been seeking to modernize its defense capabilities but some of its equipment is old and there have been fatal accidents in recent years.
Indonesia in the past operated a fleet of 12 submarines bought from the Soviet Union to patrol the waters of the sprawling archipelago.
It now operates five - the two German-built Type 209 submarines and three newer South Korean vessels.
source: Reuters
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Aimed at secondary school students, the event brought together a distinguished group of academic professionals and technology experts to mentor and inspire young participants.
More than 100 high school students from across the Kingdom of Bahrain took part in the hackathon, which featured an intensive programme of training workshops and hands-on sessions. These activities were tailored to enhance participants’ critical thinking, collaborative problem-solving, and team-building capabilities, while also encouraging the development of practical and sustainable solutions to contemporary challenges using modern technological tools.
BENEFIT’s Chief Executive Mr. Abdulwahed AlJanahi, commented: “Our support for this educational hackathon reflects our long-term strategic vision to nurture the talents of emerging national youth and empower the next generation of accomplished female leaders in technology. By fostering creativity and innovation, we aim to contribute meaningfully to Bahrain’s comprehensive development goals and align with the aspirations outlined in the Kingdom’s Vision 2030—an ambition in which BENEFIT plays a central role.”
Professor Riyadh Yousif Hamzah, President of the Royal University for Women, commented: “This initiative reflects our commitment to advancing women in STEM fields. We're cultivating a generation of creative, solution-driven female leaders who will drive national development. Our partnership with BENEFIT exemplifies the powerful synergy between academia and private sector in supporting educational innovation.”
Hanan Abdulla Hasan, Senior Manager, PR & Communication at BENEFIT, said: “We are honoured to collaborate with RUW in supporting this remarkable technology-focused event. It highlights our commitment to social responsibility, and our ongoing efforts to enhance the digital and innovation capabilities of young Bahraini women and foster their ability to harness technological tools in the service of a smarter, more sustainable future.”
For his part, Dr. Humam ElAgha, Acting Dean of the College of Engineering and Technology at the University, said: “BuildHer CityHack 2025 embodies our hands-on approach to education. By tackling real-world problems through creative thinking and sustainable solutions, we're preparing women to thrive in the knowledge economy – a cornerstone of the University's vision.”
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