a regular basis.— a regular basis. whatever its conclusions, _ a regular basis. whatever its conclusions, for _ a regular basis. whatever its conclusions, for many, i conclusions, for many, publication of the report alone marks an important milestone on the path to understanding these unexplained encounters. sophie long, bbc news, in the nevada desert. the us navy has started a series of tests on its newest and most advanced aircraft carrier by detonating powerful explosions to determine whether the ship is ready for war. take a look at this. a 40,000 pound explosion was detonated as part of a test called full ship shock trials to assess if the carrier the uss gerald r ford can withstand battle conditions. the us geological survey registered the explosion as a 3.9 magnitude earthquake. following the trials, the ship will return to dry dock to undergo modernisation, maintenance and repairs.