Africa is a long-neglected trove of adventure. For reference material, a while back LAW0369 had the makings of an African campaign set in Zambia at the outbreak of the Twilight War:
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http://www.topbb.com/twilight2000/viewforum.php?f=31
... and cataraft_2000 had a long-running multi-year Yahoo! Group PBeM that also involved overland evacuation of an African embassy:
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http://groups.yahoo.com/group/T2K_Burundi