
soochika vala

iru lokamahaayudhangalilum laitt steel valakal upayogichu nirmmicha indikkettar valakal palappozhum sakhya naavika thaavalangalkk chuttum kadaltheerathinte vividha aazhangalil nankooramittirunnu. aazhathilulla chaarjukalaal pottitherikkunnathinna munbu antharvaahinikal palappozhum svayam verpeduthaanum rakshappedaanum kazhinjenkilum shathruvinte yuu-boat gathaagathathe kettaan avaa uddeshichullathaayirunnu.
shatru antharvaahinikal sakhya jalathil praveshikkunnathil ninnu niruthsaahappeduthunnathu oru maargamaayi pradhaanamaayum rajakeeya naavikasena vinyasicha indikkettar valakal onnaam lokamahaayudhasamayathu vyaapakamaayi upayogichirunnu. vyakthigatha valakal chilappol neelamullavayaayirunnu.
eaka antarvaahini virudha nadapadiyaayi upayogikkunnathinu pakaram, indikkettar valakal palappozhum vipulamaaya minefieldukalumaayum patrolling yudhakkappalukalumaayum kalarthiyirunnu. chilappol khanikal valakalumayi nerittu bandhippichirunnathinaal antarvaahini athijeevana saadhyatha kuranju.
oru antarvaahini valayil kudungiyathinu sesham, valayil gadippichirikkunna oru marker booy vellathinte uparithalathil thaazheyulla shathruvine soochippikkunnu. 1915 march 4 nuu "yuu-8" kudungiyappol oru yuu-boat nasippikkunna soochaka valakalude aadya udaaharanam doveril sambhavichu.
britishukaar parivartthanam cheytha malsyabandhana bottukalil gadippichirikkunna indikkettar valakalum upayogichu. valayil kudungiya eathu antarvahiniyeyum akramikkaan thokkukalum depth chaarjukalum bottukalkku undaayirunnu. otraanto kadalidukkine thadayunnathinaayi otraanto baarejinte bhaagamaayi eee bottukalil palathum meditareniyanil vinyasichu. 1917 meyy 12nuu austro-hungarian antarvaahini "smu-6" valakalilonnil kudungi. vala murichumaattaanulla shramathil kyapttan prathyakshappedukayum uparithala antarvaahini malsyabandhana bottukalil ninnu phalapradamallaatha vedivayppinu vidheyamaakukayum cheythu. mungikkappal athinte propellerukal valayil thakararilavukayum rakshappeduka asaadhyamaavukayum cheythathinaal athu thakarnnu. kappalile muzhuvan jeevanakkarum rakshapettu.
amerikkakkar angane cheythillengilum onnaam lokamahaayudhathinum randaam lokamahaayudhathinum idayil britishukaar soochaka vala vikasippikkunnath thudarnnu. 1939ll britishukaar thangalude vaidagdhyam american navikasenayumaayi pankittu. muthu thuramukhathe aakramanathinu munbum sheshavum, japanese midjatt antharvaahinikalkku oru thuranna gettu vazhi akathe thuramukhathu praveshikkaanum antarvaahini valakal ozhivaakkaanum kazhinju. muthu thuramukhathe saadhaarana antarvaahini valayil 8 adii diagonal thurassukalulla 1 inch mesh kayarinte 300 adii paanalukal undaayirunnu. cheria valippam, nettu kattarukal, valaye thadassappeduthunna oru pravachanangalillaatha oru wall ennivayulppedeyulla savisheshathakalode itharathilulla valayil thulachukayarunnathinaanu midjatt antharvaahinikal roopakalppana cheythirikkunnathu. aakramanathinu sesham, oru laitt indikkettar nettu muthu thuramukhathu vinyasichu.
21-aamm noottaandil, alillah uparithala vaahanangaludeyum alillah underwater vaahanangaludeyum vardhichuvarunna upayogam prathirodha thanthramaayi indikkettar nettukale veendum kanakkileduthu.

