The US Navy has started a series of tests on the USS Gerald R. Ford,
one of the newest and most advanced aircraft carriers.
The first of the tests took place on June 18, 2021,
when the navy detonated almost 20 tonnes of explosives next to the ship to determine readiness for war.
The explosion registered as a 3.9 magnitude earthquake off the coast of Florida.
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US Navy uses 40,000lb Explosive to test warship in 'Full Ship Shock Trial' | MFA
The 40,000lb (18,143kg) explosion was detonated as part of a test to assess the aircraft carrier,
USS Gerald R. Ford's ability to withstand battle conditions.
The aircraft carrier USS Gerald R. Ford (CVN 78)
completes the first scheduled explosive event of Full Ship Shock Trials
while underway in the Atlantic Ocean, June 18, 2021.
The U.S. Navy conducts shock trials of new ship designs using live explosives
to confirm that our warships can continue to meet demanding mission requirements
under harsh conditions they might encounter in battle.
source: Military Footage Archive - MFA