Bravo to Bill Belichick.

A Twitter user yesterday afternoon posted a couple of pictures of the prodigious coach wearing a shirt bearing an illustration that shocked some, confused others and pleased many more.

The text reads, “Life is great” and features a depiction of an armed man in a turban being attacked by a military dog as he’s being chased by a soldier carrying a rifle.

Is this hate-wear?

No way.

This is patriot-wear the Patriots head coach was showing off.

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The shirts are sold on a site called www.tridentk9.org, run by Jim Amann, now a deputy sheriff in Los Angeles. Amann is a former Navy SEAL who was deployed to Iraq and Afghanistan with his military dog Rocky. Amman’s company, Trident K9 LLC, provides police and military K9 equipment and training, as well as the light-hearted shirt Belichick was sporting yesterday.

As Amann describes it, the shirt “tells a cartoon story of a deployment in Afghanistan where SEAL operators are chasing bad guys.” The website suggests wearing the shirt to “celebrate the end of Osama Bin Laden.”

Not surprising that such a shirt found its way to Bill Belichick. He has been a strong supporter of the troops and has even employed the stories of American military heroism in his coaching, as he did in 2013 when he took the team to see “Lone Survivor,” and in 2015 to watch “American Sniper.”

Amann was unaware that the five-time Super Bowl winning coach was wearing the item.

“I’m surprised,” he said. “I’m a big fan of his. I respect him as a leader.”

But Amann reserved his deepest praise for the military’s four-legged soldiers.

“These dogs have saved more lives than we can count,” he said. “They’re more than a dog. They can do things that no man or machine can do.”

After the combat tours, Amann said, the “Navy was generous enough to donate” Rocky to his sheriff’s department, where the two went on to work together.

Rocky died this year, but Amann remembers him fondly.

“He was more than just a partner, he truly was special.”

And today more of us know about Rocky and the many heroic dogs like him because Belichick thought to wear the shirt out in public where it was sure to get noticed.

Thousands of military dogs are currently serving, and thousands have returned home and serve in police forces around the country after their tours are over. Many sacrifice their own lives to save their human partners.

Naturally, Belichick cut the sleeves off his shirt, but they’re sold sleeves-on.

So, Coach Belichick, you’ve got a fan in Amann, who wanted to tell you, “Thank you for your support.”