China tests three hypersonic missiles at one go
Beijing, Sep 30 : China has achieved a feat of testing three types of hypersonic aircraft missiles at the same time, a media report has said.
The tests of three scaled-down models of "wide-speed-range vehicles", which can fly at from hypersonic velocity to lower than the speed of sound, were carried out on September 21 at the Jiuquan Satellite Launch Centre in northwest China, according to state broadcaster CCTV.
In the news footage, three models representing differently shaped designs, code-named D18-1S, D18-2S and D18-3S, were lifted and then dropped from a balloon.
This was China's first test of this type of hypersonic aircraft, whose speed will be adjustable, meaning its scientists are working on another major aim - precision strike - towards an unstoppable nuclear-capable weapon, the South China Morning Post said.
Last month, Chinese scientists conducted their first experimental flight of a hypersonic glider named Starry Sky 2 that was launched by a rocket and then flew on its own shockwave at Mach 6 (six times the speed of sound or 7,344km/h).
Once fully developed, its sheer speed would be capable of penetrating any anti-missile defence system currently available.
The wide-speed-range aircraft, meanwhile, will have additional capability to slow down and fly in a stable mode at a lower velocity, which allows it in the terminal stage to aim, adjust trajectory and position and strike targets more precisely, according to military observers.
"Their technologies can be inter-complementary," said military commentator Song Zhongping, based in Hong Kong. "They can be combined together and make a hypersonic missile."
Researchers measured the respective aerodynamic features of three different design shapes and recorded their processes of falling, accelerating, breaking the sonic barrier, aerodynamic rebound, parachute opening, landing and retrieving while collecting data, CCTV said.
Song Zhongping said it was to compare and choose from the three designs. There will be further wind tunnel tests with larger or real-size models before finalising the aerodynamic configuration of the vehicle.
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B'desh: Lawyer killed in clash between security personnel, followers of Hindu leader
Dhaka, Nov 26: A lawyer was killed on Tuesday during clashes between the security personnel and followers of a Hindu community leader, who was denied bail and sent to jail by a Bangladesh court, according to local media reports.
The victim was identified as Saiful Islam, a 35-year-old assistant public prosecutor and a member of the Chattogram District Bar Association, the Dhaka Tribune newspaper reported.
Citing Dr Nibedita Ghosh, a duty doctor at the emergency department of Chittagong Medical College Hospital, the paper said that six others were injured in the clashes that erupted after Chattogram’s Sixth Metropolitan Magistrate court denied bail to prominent Hindu leader Chinmoy Krishna Das Brahmachari, arrested on sedition charges.
Nazim Uddin Chowdhury, president of the Chittagong Lawyers' Association, said that protesters dragged a lawyer from beneath his chamber and hacked him to death.
As Das was being taken away in a police van, he addressed the crowd through a hand mike, urging them to remain calm.
Around 3 pm, the law enforcement agencies resorted to sound grenades, tear gas shells, and baton charges, dispersing the protesters.
Deputy Commissioner of City Police Liaquat Ali confirmed one death but said they were still investigating the cause.
The Daily Star newspaper reported that at least 10 people, including journalists, were injured during the clash.
