The members of Lady Antebellum have teamed up with National Geographic and Musicians On Call and are putting together a music video for their song, “Army,” which is included on their latest album, Heart Break. National Geographic will produce the video, and the channel is asking for your help; they want to see who is in your “Army.” Fans can submit photos or videos via Facebook, Twitter or Instagram through November 7th using the hashtag #MyArmyContest and tagging @NatGeoChannel to showcase the heroes in their life, and have a chance to be featured in the new video.

“Throughout our career we have been lucky enough to meet some incredible military veterans and their families,” Lady A’s Hillary Scott tells Billboard. “‘Army’ has such a special meaning to us and when we were writing this for our families we had no idea how much of a universal feeling it would draw out of our fans. Whether it be their teacher, mom or best friend, we are looking forward to watching the stories that come through and create an incredible music moment that will also recognize the heroic sacrifices of our troops and their families.”

National Geographic also launces the #LongRoadHome campaign, and will donate $1 to Musicians on Call for every time fans use the hashtag, up to $75,000 total. Musicians on Call is an organization which brings music directly veterans in healthcare facilities.

Musicians on Call will also host a concert headlined by Lady Antebellum for their 10th Anniversary at Nashville’s City Winery on October 26th.

Lady Antebellum will be part of National Geographic’s new mini-series Long Road Home, which will spotlight the U.S. First Calvary Division ambushed in Iraq in 2004, along with their families at home.

Lady A is currently making their way up the country charts with their latest song, “Heart Break.”