That's TRUE for some BIG Company..But for us depenende kung saan ka ma base.. generally pag sa Africa like mentinoned above may Hazard allowance kami.. during Gulf War meron ding War allowance..pag sa desert may desert allowance...But Basic salary is the same.. Pero pag family status ka mas malaki ang makukuha but ganon din malaki din gastos pag kasama family.. Cycle Shift .. depende sa location pag offshore 28/28 pag onshore interior base max na yong 60/30 kalimitan 42/28... pag medyo swerte nakaka kuha ng 14/14... bale 2weeks work 2weeks vacation (my current cycle). with salary and Free Air ticket country of origin... salary advance at extra money for 20kg bagage allowance..