Visible crew/equipment: During the Trojan War, when Odysseus yells "Fight. Fight. FIGHT. ", a soldier plays the flute and they all run down the hill, a cameraman with a blue t-shirt and sunglasses is visible.
Visible crew/equipment: During the battle scene, Odysseus' narration goes "and no one knew whose side the gods were on." In the shot where he begins to say "were on," a crew member with brown hair and a black shirt is visible behind the charging Greek army. A split second later another crew member is visible, this time with black hair and a blue shirt.
Visible crew/equipment: As Laocoon approaches the Trojan Horse, equipment is visible near the Eurylochus and the Trojans. It was not there when King Priam first approached the horse.
Visible crew/equipment: In the second shot in the Trojan War, right after the men come down the hill on horses, a cameraman is visible near the statue at the top of the wall. (00:13:35)
Visible crew/equipment: When the Trojans run out of the gates as their city burns you can see a boom mike bobbing up and down at the top of the screen.
Answer: The Trojan War itself was a decade long, followed by Odysseus' ten-year journey home to Ithaca, so all told he was gone roughly twenty years.