One startling revelation to come out of this search and rescue  operation was when India admitted that its radar in Nicobar and Andaman  were shut at the time of the MH370 flight due to budget constraints.
 Ravi says that while this might help Malaysia try and figure out  where the aircraft has gone, India is not helping itself by giving that  away.
 "They are showing themselves in a bad light to an enemy who can do damage to their country.
 "The main purpose of the military is to protect the country. I don't  think for a missing aircraft countries are going to expose their  limitations," he says.
 He points out too that if any other country had switched off their  radar to cut costs, in all likelihood they would not disclose this  information to other countries, because it would not look good on them  and their military.
 Ravi points out that operating a primary radar is expensive because  it beams a very strong signal which requires a lot of electricity and  hence money to keep it on 24 hours.
 So it would not come as a surprise to him if some of the poorer  countries with no high security threats do not have their radar switched  on all the time.
 "But they will just say 'we didn't see the plane on our radar' which  is the truth because their radar was switched off. But it does not mean  it didn't pass through their air space."
 Dr Hansman believes that countries would not be prepared to put aside  their own security concerns and share data that might give away their  defence capabilities just to find a missing aircraft. "They would not  compromise their security," he says.
 Concurring, Weber says he would not be surprised if the defence radar  systems of other countries have radar information, which they have not  yet revealed.
 "This would be typical for the military."
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