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By documenting the wreckage of the B-25 and surveying the final resting place of another aircraft , the team desire to help the U.S. Department of Defense repatriate the stiff of American servicing members missing in action .

historic record argue that bothplanes were shot downamid fierce combat more than 70 year ago , the researchers say . One B-25 was carrying six crewmembers who have long been unaccounted for . The second bomber also had six crewmembers , five of whom hold up and were take prisoner by the Japanese , while one went down with the plane . [ exposure : Underwater automaton avail Recover WWII Plane Wrecks ]

A photomosaic constructed by Project Recover of an underwater wreck of a WWII-era B-25 bomber.

A photomosaic constructed by Project Recover of an underwater wreck of a WWII-era B-25 bomber.

Twin engine B-25 bomberswere among the most versatile aircraft developed by the North American Aviation party during World War II . They quickly became received equipment for all Allied forces , and the warbirds were used to conduct intimately 10,000 missions , from bomb enemy to photo reconnaissance , wedge patrols and the historic raid over Tokyo .

But the impact of hit the ocean wave at a high speed mangled the carpenter’s plane , so researcher had to take a few extra steps toidentify the aircraft remains .

" People have this mental epitome of an airplane resting entire on the ocean floor , but the world is that most airplane were often already damage before crashing , or broke up upon impact , " Katy O’Connell , an oceanographer at the University of Delaware who is associated with the expedition , said in a statement . " And , after soaking in the ocean for decades , they are often unrecognizable to the untrained eye , often covered in coral and other ocean - life-time . "

A reconstruction of a wrecked submarine

The researchers , who are part of a public - private collaboration calledProject Recover , lead off their hunt for the planes by fag through the National Archives , old military photos and interviews with warhorse and locals . Once they narrowed the location to a 3.8 - straight - mile area ( 10 square klick ) in the Pacific Ocean , the scientists used read sonars , thermal cameras and freely swim underwater automaton to nail the location of the B-25 .

The discovery score the sixth aircraft that Project Recover scientist have identified and documented since 2012 .

Some expeditions have also ensue in new leads . Local villager and scuba underwater diver are often aware of the locations of some plane , according to the researchers . But those sites , like the 2nd B-25 plane the radical review in Madang Harbor , Papua New Guinea , have never been formally documented or searched for possible recovery mission . The find marked the sixth aircraft that Project Recover scientists have identified and documented since 2012 .

a wrecked car underwater

Once Project Recover scientist have assemble detailed info on a internet site , they reverse the data point over to the Pentagon ’s Defense POW / MIA Accounting Agency , which is task with repatriation exploit and get through live on relatives .

" There are still over 73,000 U.S. serving extremity unaccounted for from World War II , go away families with unrequited questions about their make love unity , " O’Connell said . " We hope that our global exploit can help to bring closure and honor the service of the fallen . "

Original article onLive Science .

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