By Brianne Tolj For Daily Mail Australia
Published: 01:23 BST, 21 September 2017 | Updated: 01:28 BST, 21 September 2017
Very few things are as exciting as jetting off on a holiday to explore another part of the world.
But after the planning, packing and daydreaming, it has been revealed four little letters could throw a wrench in any traveller's escapade.
So what does it mean when you see 'SSSS' on your boarding pass?
Spotting the code 'SSSS' (pictured) on your boarding pass could throw a wrench in any traveller's plans
The code, which stands for 'Secondary Security Screening Selection', is seen on boarding passes of passengers heading to the U.S (stock image)
Anyone who spots the acronym has been selected to undergo a more extensive security screening process before boarding their flight – sometimes taking up to