Essay would have a background heading in the beginning and the rest of the headings of your choice ending with conclusion heading.Challenges of land warfare are:1.Multidimensional Battle2.Perception Battle3.Information Battle.4.Density of Battle5.Pace of battle6.Soldiers Battle7.Homeland BattleHere is a useful link i found which can give you a head start:http://www.defence.org.cn/aspnet/vip-usa/uploadfiles/2008-05/chapter1.pdfPlease ensure not only the essay is well proof read before giving it to me but also enure the bibliography/ References are well referenced and written properly at the end.