It was four years ago Tuesday that gunman shot and killed five servicemen in attacks on two military facilities. Chattanooga has not forgotten. Tuesday, Chattanoogans remember those five heroes by paying their respects at different memorials.

We remember these service members: Sgt. Carson A. Holmquist, Gunnery Sgt. Thomas J. Sullivan, Staff Sgt. David A. Wyatt, Lance Cpl. Squire K. "Skip" Wells anf Navy Petty Officer 2nd Class Randall J. Smith.

A gunman shot into the windows of the National Guard Career Center on Lee Highway injuring one Marine and then drove to the US Naval Reserve on Amnicola Highway.

There, he shot and killed those five servicemen and also injured a Chattanooga Police Officer.

You can find reminders of the Fallen Five across Chattanooga the mural on McCallie Ave., the gravesites of Staff Sgt. Wyatt and Navy Petty Officer 2nd Class Smith, and the memorial on Lee Highway.

"I was working on the building right around the corner from here," said Allen Thomas retired Marine Corps Veteran.

"My husband came in and goes something's going on at Toscano which was the restaurant at the time," said Monique Due.

"I heard it on the national news and I watch the news religiously, it's an old habit of mine and I glued myself to that TV and wanted to come straight down here and pay respects but I was half a country away at that time," said US Army veteran Christopher Sam.

Each of these people remember where they were that day. 

Thomas felt like he has to stop by.

"This day is very hard because this happened here on our soil,” said Thomas.

Sam said he was living in Las Vegas when this happened, and he moved to Chattanooga three years ago. 

"I'll go out of my way to drive by this road just so that I can pass by and salute them,” said Sam.

And when it came time for Monique Dué to pick a location for her restaurant Gaia Italian Cafe, she picked the one next to the career center.

"When we were scouting out locations and this location became availble it was actually really important to me,” said Dué "Chattanooga Strong and for us that meant taking a chance, we're a little family upstart.” 

She’s thankful everyday for those who wear the uniform. 

"So it's kind of like having American rockstars as our neighbors, we love it,” she said. 

A tragedy that has brought these strangers together to keep Chattanooga Strong.