@Ky Loung, The sentry posts that you see are suitable for international borders. There is very little chance of someone firing an RPG, which of course will completely destroy those structures. At the Line of Control, we use things like the sangar. Every thing has a place. Just like you have the Abrams, does not mean the Bradley is useless. Similarly, just like you have the option of sandbagesque fortifications, does not mean the ones posted here are useless.