The phrase "a platoon that" is correct and usable in written English.
It can be used when referring to a specific group of soldiers or a unit within a military context, often to describe their characteristics or actions.
Example: "A platoon that specializes in reconnaissance is essential for gathering intelligence on enemy movements."
Alternatives: "a unit that" or "a group that".
In the Army he received training in managing a platoon that repaired jeeps and tanks.
I met with a platoon that had just lost six of their teammates.
But he considered that boring so he asked to work with an infantry unit, joining a platoon that had been in Afghanistan since March.
At Urus-Kert, Captain Sokolov organized the final defense of the hilltop, aided by a few soldiers from a platoon that had broken through rebel lines.
Directed by Tim Hetherington and the journalist Sebastian Junger, who served as their own cameramen, "Restrepo" takes you deep into the trenches and almost as deep into the mind-set of a platoon that was stationed in Afghanistan's Korengal Valley in 2008.
"I was in a platoon that was made up of athletes only.
In a telephone interview yesterday, that former officer, Robert Van Buskirk, a lieutenant in a Special Forces platoon that made a raid into Laos from Vietnam in 1970, said that given the network's other sourcing, he believed that its report of the attack was basically accurate.
In Vietnam, he was sent into combat in Hue without any specific training in urban warfare (a snowstorm on the East Coast had scrubbed that lesson), taking command of a rifle platoon that had been reduced to 14 marines, instead of 39, and was still mopping up from the carnage left by the Tet offensive of January 1968.
The betrayal by the villagers, the confused lines of command, the withheld artillery fire, the inaction of an Army platoon that might have helped the trapped men — have all been documented as a dark parable of the American grunt's experience of the latest Afghan war.
Once the military granted access — Rear Adm. Frank A. Morneau, deputy director of expeditionary warfare for the Navy, said he thought the series would give "insight into the human element of combat" — the producers decided to embed with an eight-person plathat that was split between two forward operating bases in northern Afghanistan.
His plan is thwarted when General Melchett arrives to see what is happening and remarks that he shot an entire platoon that used this exact method; Blackadder overhears and narrowly escapes Melchett's punishment by pretending he is relating the story to Baldrick.
