Chris Knowlton lets sheep out into a pen.

Home-grown by Heroes maple syrup label.

Piglets, just a few weeks, old battle for a drink of milk from their mother on Chris Knowlton's farm.

Veteran Farmer Jerry Ireland shows one of a variety of bottles of maple syrup in front of a photograph of the ceremony for the victims of the 9/11 attack on the Pentagon disaster during 9/11.

Ireland picks ripe tomatoes on his farm.

Ireland feeds the pigs on his Swanville farm.

Jerry Ireland and Jason Foscolo, general counsel and chief operating officer at Farmer Veteran Coalition.

Chris Knowlton, holding one of his piglets.

Ireland samples one of the tomatoes he picked on his farm.

Ireland's maple syrup merits a "Homegrown by Heroes" because of his military service.