Monday night’s Navy SEALs benefit kicked off with a bang — and a boom and a rat-a-tat and even a bark or two — as a SEAL demonstration team turned the lakefront lawn at President Donald Trump’s Mar-a-Lago into a mock battleground to show off their SEa, Air and Land commando skills.

Yes, that’s the genesis of the term SEAL. And all this time we thought it was because they wore flippers.

Navy SEALS rappel onto the grounds of Mar-a-Lago during an evening of tribute. (Melanie Bell / Daily News)

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Although the parachute jump was cancelled because of fluky winds, the action included a helicopter drop, a K-9 vs. terrorist encounter (won by the Belgian Malinois), and an explosive, smoky, weapon fire-filled confrontation between a terrorist-filled car and a specially armored vehicle.

The good guys won that one, too.

Guests look on during the Navy SEAL evening of tribute at Mar-a-Lago. (Melanie Bell / Daily News)

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The late-afternoon demo would have been a great test for the new Mar-a-Lago helipad, but the SEALS do things their own way. Instead of leaving bootprints on the presidential property, they rappelled onto the lawn and joined ground, sea and canine warriors for a terrorist takedown.

More than 600 people attended the event, part of the biennial fundraiser for the Navy SEAL Foundation and the Navy SEAL Museum and Memorial.

An attendee gets his picture taken Monday on the helipad, which was recently built to accommodate Marine One for President Trump’s visits to his Mar-a-Lago Club. (Melanie Bell / Daily News)

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