[philman_36]

4 routes, 5 planes could imply two planes went to the same place?
Seems more likely that all 5 went to the same final destination/place from different points of origination with 2 flights having the same starting/ending point.
JMO

[Non-Compliant_Deplorable]

Implication anons figured out is that one plane flew to Europe, unloaded dough there, and returned to US. Never went the rest of the way to Iran. Money left in EU was for bribes.