For Soldiers in the 421st Quartermaster Company, "attention to detail" is less a catch phrase than a lifesaving mission statement.

Parachute riggers with the unit, based in Fort Valley, Ga., pack hundreds of chutes every month for use by reserve and active duty troops across the southern United States. And there isn't just one kind of parachute. There are more than a dozen, each with a specific method for packing to ensure they open correctly.

U.S. Army 1st Sergeant Richard A. Davis of Musella, Ga., the top NCO for the unit, said one mistake by a parachute rigger can lead to a fatality or injury.

"A lot of things can go wrong," he said. "Everything we do to pack a parachute has to be done by steps. Everything has to be precise."

Military jumps typically involve the use of a thick cord called a static line to pull the chutes open. If, for instance, the line is routed wrong, the parachute won't open. If the static line is faulty and the problem isn't discovered, it can shred and the parachute also won't open. If the risers which connect the jumper to the chute are flipped, its canopy might only partially open - sending the Soldier speeding toward the ground.

Master Sgt. Brian W. Steverson of Bonifay, Fla., the operations NCO, said only qualified riggers are allowed to put chutes together and they have to remain proficient at their jobs.

"It's really important to stay current, because every parachute is a life support system," he said.

Cargo loads can be even more complicated. Because of the weights involved - up to about 2,000 pounds - the chute has to be adjusted to deploy a certain way, otherwise the shock of its opening can tear it. This would send the heavy payload raining down across the landscape.

"Hopefully, no one is below it," if that happens, Steverson said.

To become a qualified parachute rigger, one has to go through airborne orientation, then airborne school, then rigger school, he said. As part of graduating rigger school, which itself is an 11-week course, the Soldiers pack their own chutes and then jump with them.

"When they come to us, they already have six or seven jumps," Steverson said.

Battle assemblies for the 421st Quartermaster Co. feature all the usual requirements for an Army Reserve unit, including PT tests, equipment accountability and classes. But then there is the steady drumbeat of safety checks, packing chutes and preparations for the next unit jump.

Parachute riggers have to maintain their status by jumping every three months - at a minimum. If they don't maintain their jump status, they aren't allowed to pack or inspect parachutes, Steverson said.

A handful of riggers remain at the unit on active duty to continue the packing process throughout the week and also travel with the chutes when shipped to locations in California, Texas, Florida, South Carolina, Georgia and Alabama. These parachutes allow members in those airborne units to maintain their own jump status.

Chutes packed each month vary, but typically number more than several hundred each month. Properly packing a single parachute can potentially take anywhere from 20 minutes to an hour, depending on how experienced the rigger is. There are 13 rigger checks of each chute - including inspections prior to its assembly, before it is packed, while it is packed, after it is packed and a jumpmaster inspection at the airfield - before they are authorized to be used in a jump.

Sgt. David C. Frady of Warner Robins, Ga., is one of the full-time parachute riggers. He's been doing it for eight years and enjoys the complexity because of the variety of payloads and parachutes they have to manage. There's a lot of information to absorb all the time, since both the equipment and missions change.

But it can get repetitive. And they always stay busy, he said.

"You pack 15 a day and you do it every single day until you meet mission requirements," Frady said. "It just becomes the norm."

The parachute rigger's name goes in each chute they pack, along with the names of its inspectors. Once the parachutes are delivered, a rigger from the unit stays to monitor and record the jumps in case anything goes wrong.

Davis, who became first sergeant for the unit in 2014, said he witnessed the resupply of American troops in Afghanistan by air and it reinforced the importance of their work to him.

"We are enablers," he said. "Our job enables Soldiers to resupply and continue the fight."

Despite the possibilities for error, accidents remain rare, Davis said. He added that the parachute riggers with the 421st Quartermaster Co. take the mission personally and have pride in their work.

"It's still a high risk thing in which we're involved, but we do everything we can to keep it safe," he said.

###