Is the war entering a new phase? Romania has blamed Russia for a drone strike that sank a cargo ship off Romania's Black Sea coast, killing one crew member and leaving three others missing. It's the latest drone attack targeting commercial shipping off the coasts of NATO members Romania and Bulgaria, with at least seven cargo ships hit and 30 sailors reported killed or missing in the past two weeks, raising fears of an escalation in Russia's war against Ukraine. The shipping data website MarineTraffic showed the Khoryv departed Turkiye on Wednesday and was headed for Romania's Sulina port, which links the Danube River to the Black Sea. The canal has become the primary route for Ukrainian exporters, which rely on ports on the Danube and Romanian territorial waters, as Russia has attacked Ukraine's own Black Sea ports.

Is the war entering a new phase? NATO is deploying additional patrol aircraft and intelligence personnel to the Black Sea, a spokesman for the alliance said, after a series of deadly drone attacks in the region widely blamed on Russia but denied by the Kremlin. "Allies have or will send additional maritime patrol aircraft, radar systems, explosive exploitation teams, intelligence personnel, drones and more to the Black Sea," said Colonel Martin O'Donnell on Tuesday. NATO, along with Bulgaria and Romania, has not directly attributed the recent spate of attacks to any country. Military analysts have said Russia almost certainly carried out the attacks but Moscow has not acknowledged any responsibility.

Is the war entering a new phase? Syria has called for an "independent and transparent" investigation into the sinking of a cargo ship in the Black Sea, demanding answers over the fate of the ship's 10 crew members, including nine Syrians and an Egyptian, who remain unaccounted for. The Togolese-flagged Alfa Watan, went down in Bulgaria's exclusive economic zone early on Tuesday, amid a rising number of drone strikes hitting Black Sea shipping during the Russia-Ukraine war. Mazen Aloush, from the Syria's port authority asked the International Maritime Organization (IMO) and Bulgarian authorities to find out why a search and rescue mission was called off, before the missing sailors were found. "Their fate is still unknown" said Aloush, adding that "the reasons that led to the suspension of search and rescue operations" had to be established.

Acting Navy Secretary Hung Cao has said that eight crew members who were assigned to the USS Abraham Lincoln carrier strike group attempted suicide during their lengthy deployment. The disclosure was made in a letter to Senator Kirsten Gillibrand of New York on Tuesday in response to questions from the Democrat on the well-being of sailors onboard following mounting concerns. Family members of sailors had raised alarm about deteriorating mental health and grim conditions during a prolonged mission in the Middle East as part of the US war in Iran. The carrier, which had been deployed since last November, is now returning to the US. The BBC has contacted the US Navy for comment.

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The fundamental limitation of the behavioral cloning (BC) approach to imitation learning is that it only teaches an agent what the expert did at states the expert visited. This means that when a BC agent makes a mistake which takes them out of the support of the demonstrations, they often don't know how to recover from it. In this sense, BC is akin to giving the agent the fish - giving them dense supervision across a narrow set of states - rather than teaching them to fish: to be able to reason independently about achieving the expert's outcome even when faced with unseen situations at test-time. In response, we explore learning to search (L2S) from expert demonstrations, i.e. learning the components required to, at test time, plan to match expert outcomes, even after making a mistake. These include (1) a world model and (2) a reward model. We carefully ablate the set of algorithmic and design decisions required to combine these and other components for stable and sample/interaction-efficient learning of recovery behavior without additional human corrections. Across a dozen visual manipulation tasks from three benchmarks, our approach SAILORconsistently out-performs state-of-the-art Diffusion Policies trained via BC on the same data. Furthermore, scaling up the amount of demonstrations used for BC by 5-10 still leaves a performance gap. We find that SAILORcan identify nuanced failures and is robust to reward hacking.

A 17-year-old British sailor saved Simon from the Hong Kong docks when he was likely a year old. Breakthroughs, discoveries, and DIY tips sent six days a week. One day in March of 1948, George Hickinbottom, a British sailor, was walking around the docks of Stonecutters Island in Hong Kong. When the 17-year-old spotted a small black-and-white tuxedo cat, barely out of kittenhood, he decided to smuggle the hungry, scrawny animal aboard his ship, the HMS . Hickinbottom didn't get in trouble.

Biscotti once fed Roman navies and Christopher Columbus's expeditions Long before it met espresso, this crunchy pastry kept sailors fed. Roman writer Pliny the Elder was the first writer to mention biscotti in 77 CE. Breakthroughs, discoveries, and DIY tips sent every weekday. Step into a typical Italian restaurant in the U.S. and you'll likely find "biscotti" on the menu. Typically served with a glass of sweet wine or cappuccino, these log-shaped crunchy cookies are a beloved treat that most of us associate with cozy dinners and Little Italy.

The fundamental limitation of the behavioral cloning (BC) approach to imitation learning is that it only teaches an agent what the expert did at states the expert visited. This means that when a BC agent makes a mistake which takes them out of the support of the demonstrations, they often don't know how to recover from it. In this sense, BC is akin to giving the agent the fish -- giving them dense supervision across a narrow set of states -- rather than teaching them to fish: to be able to reason independently about achieving the expert's outcome even when faced with unseen situations at test-time. In response, we explore learning to search (L2S) from expert demonstrations, i.e. learning the components required to, at test time, plan to match expert outcomes, even after making a mistake. These include (1) a world model and (2) a reward model. We carefully ablate the set of algorithmic and design decisions required to combine these and other components for stable and sample/interaction-efficient learning of recovery behavior without additional human corrections. Across a dozen visual manipulation tasks from three benchmarks, our approach SAILOR consistently out-performs state-of-the-art Diffusion Policies trained via BC on the same data. Furthermore, scaling up the amount of demonstrations used for BC by 5-10x still leaves a performance gap. We find that SAILOR can identify nuanced failures and is robust to reward hacking. Our code is available at https://github.com/arnavkj1995/SAILOR .

Adm. Daryl Caudle joins'America's Newsroom' to discuss rising tensions with China's navy, the use of AI in US defense, and a powerful Memorial Day re-enlistment ceremony at Ground Zero. The U.S. Navy has called off a search for a sailor assigned to the USS George Washington amid reports that he possibly went overboard while the ship was sailing north of Australia. The sailor was reported overboard on the aircraft carrier on Monday as the ship was transiting the Timor Sea, the Navy said. US DEFENSE OFFICIAL REACTS TO IRAN'S CLAIMS ABOUT ENCOUNTER WITH WARSHIP This photo shows a general view of U.S. aircraft carrier USS George Washington shortly after berthing at Manila Bay in Manila on July 3. (TED ALJIBE/AFP via Getty Images) The search effort involving the George Washington, its carrier strike group, as well as the Australian Defence (sic) Force and Australian Border Force, concluded at 12:40 p.m. Wednesday. "USS George Washington expresses sincere condolences to those impacted by this loss and is actively engaged with the crew to make services available to tend to their needs during this challenging time," Lt. Cmdr.