The best replacement for platoon is full metal jacket.

The best alternatives to platoon are rated as following:
★★★★★  full metal jacket
★★★★  apocalypse now
★★★  company
★★★  squad
★★  saving private ryan
★★  battalion
★★  squadron
★  hamburger hill
★  things they carried
★  deer hunter
★  we were soldiers
★  born on the fourth of july
★  troop
  full metal
  thin red line
  company bigger

Your alternative for platoon is not listed? Suggest!
Speaking about platoon, one probably shouldn't forget about charlie sheen commercial.

Other search terms related to platoon and their ratings are:
★★★★★ charlie sheen commercial
You have in mind a companion for platoon and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of platoon in all years. Click on graph for more.
platoon
full metal jacket
apocalypse now