NASHVILLE — The Tennessee Titans wanted to wrap up their off-season with a trip to Fort Campbell.

With soldiers at the Army post busy right now, the NFL team spent the final session of minicamp with police officers.

The Titans made the very short trip to the Metropolitan Nashville Police Department's training centre near the team's headquarters and learned about how officers are trained, use of force and gun safety .

"We thought that we would mix some gun safety in with interaction with the police department," coach Mike Vrabel said Thursday.

"There was a lot of chiefs, there was 30 police officers, there was cadets. Our guys got to work one-on-one, and those guys were the coaches for the day. We tried to listen and pay attention the best we could, and had a little fun along the way."

The Titans also shot guns on the range, a first for Vrabel. The coach said the Titans met with NFL officials Wednesday going over league policies, which include no firearms allowed at a team's building, parking lot or hotel. Vrabel said no, this visit was not tied to the national anthem.

"This is about us being with the police officers in our community and gun safety," Vrabel said.

The Titans wrapped up the session, returned to the team's building and then players scattered for their last break before reporting for training camp July 25.

Quarterbacks, injured players and rookies will be due back July 22.

Even with the off-season ending, the Titans finished some business Thursday afternoon by signing rookie linebacker Harold Landry to his contract to wrap up their four-man draft class. Landry, a popular choice to go in the first round of many mock drafts, fell to No. 41 where the Titans traded up to select him .

The linebacker ranked second in school history at Boston College with 26 sacks and second with 47 1/2 tackles for loss.

Vrabel is expecting everyone under contract to be at training camp, though Pro Bowl left tackle Taylor Lewan is the only question mark with Landry's contract finished. Lewan worked out with the Titans during most of the off-season program, then skipped this week's mandatory minicamp wanting a new contract .

"I would expect all players, all coaches, and all personnel staff to be here under contract," Vrabel said of Lewan. "But, do I think he will? I have no idea."

Only right tackle Jack Conklin is not expected to be ready for the start of training camp. Conklin is recovering from surgery to repair a torn left ACL hurt in the Titans' divisional playoff loss at New England.

Wide receivers Rishard Matthews, who watched the off-season sessions open to reporters, and Corey Davis, limited over the past week, are expected to be available.

Vrabel reminded the Titans before they left to get as much personal business handled before training camp as possible. He also told them about the countdown clock he keeps on his phone.

"We're 87 days from our first game," the first-time head coach said. "I think that starts to put things in perspective, and when I say that I get excited to be in this position. 87 days from a real NFL football game. That was the first message, that we're that close."

Notes: The Titans had four players in minicamp and signed WR Brandon Shippen and CB Jarell Carter on Thursday. They waived WR Zach Pascal and CB Jeremy Boykins to clear roster space. Shippen came into the NFL as an undrafted free agent and has been with Miami, the Rams and Chiefs. Carter was undrafted out of Trinity International and spent two months on Arizona's practice squad last year.

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Follow Teresa M. Walker at www.twitter.com/teresamwalker