This unit established initial security checkpoints and horse patrols. The Irish battalion's role consisted of manning checkpoints and observations posts and mounting patrols. The Israelis hoped they could use them to bypass security checkpoints. People don't generally have to leave and reenter through security checkpoints. International border checkpoints are in green. They passed through two security checkpoints, one of which checked them for photo identification. The North Terminal houses two six-lane security checkpoints. The agency is in charge of maintaining all border checkpoints in Singapore. The plans also included building 338 checkpoints and forts along the border by 2019. ALIPAC has also called for "safe departure" border checkpoints, free of criminal checks. They entered through two security checkpoints; only one of them checked for photo ID. There are 24 Russo-Ukrainian international border checkpoints of various entry. Samurai women also received much harassment from officials who manned inspection checkpoints. It appears to have well prepared defensive systems with checkpoints and bunkers. The area is surrounded by an electric fence, mine fields and many security checkpoints.