Possible Clues:

• Possible return match at San Siro, Italy, activated squad from the continent
• Alien and Platoon produced by a unit with a number of nationalities
• Strange coming from 5 down in overseas unit with a number of nationalities
• Go in feeling jittery about other ranks in military unit
• Join it to forget, or go in feeling bad
• Army officer introduces rule, say, accepted by man of courage
• Forgetful soldiers, potentially considered deserters?
• French army unit of all nationalities