ump " ▁over ▁the ▁H imal ay as ▁and ▁the ▁building ▁of ▁the ▁L edo ▁Road ▁from ▁India ▁to ▁China ▁as ▁a ▁replacement ▁for ▁the ▁Bur ma ▁Road . ▁ ▁Air ▁war ▁in ▁South ▁East ▁Asia ▁ ▁R AF ▁Far ▁East ▁Air ▁Force ▁ ▁R AF ▁Third ▁T act ical ▁Air ▁Force ▁ ▁Bomb ing ▁of ▁South - E ast ▁Asia ▁( 1 9 4 4 – 4 5 ) ▁ ▁R AF ▁battle ▁hon ours : ▁ ▁C EY L ON ▁ 1 9 4 2 ▁Qual ification : ▁For ▁operations ▁against ▁Japanese ▁aircraft ▁and ▁naval ▁units ▁by ▁squad rons ▁based ▁in ▁C ey lon ▁during ▁the ▁Japanese ▁attacks ▁of ▁April ▁ 1 9 4 2 . ▁ ▁B UR MA ▁ 1 9 4 4 – 1 9 4 5 ▁Qual ification : ▁For ▁operations ▁during ▁the ▁ 1 4 th ▁Army ' s ▁advance ▁from ▁Im phal ▁to ▁R ango on , ▁the ▁coast al ▁am ph ib ious ▁assault s , ▁and ▁the ▁Battle ▁of ▁P egu ▁Y omas , ▁August ▁ 1 9 4 4 ▁to ▁August ▁ 1 9 4 5 . ▁ ▁Indian ▁Ocean ▁naval ▁campaign s ▁ 1 9 4 2 – 4 5 ▁ ▁The ▁earliest ▁success es ▁were ▁gained ▁by ▁mine ▁lay ing ▁and ▁sub marine ▁war fare . ▁The ▁Japanese ▁mines we eping ▁cap ability ▁was ▁never ▁great , ▁and ▁when ▁confront ed ▁with ▁new ▁types ▁of ▁mines ▁they ▁did ▁not ▁adapt ▁quickly . ▁Japanese ▁sh ipping ▁was ▁driven ▁from ▁the ▁Bur