Possible Clues:

• To send people, especially troops, by road transport
• European doctor on American board
• Get on when provided with a coach?
• English doctor on American board
• Heartless mob in EU’s to board vehicle
• Board engaging medic in Eastern States
• Twelve-point unit virtually shattered board
• Team regularly raised payment to prepare for journey
• Get on a Greyhound, e.g.
• Get 'em to the road transport and get 'em into it