Albert hailed from the Golani Brigade of Israel, and while Gao Yang didn't know the specifics of his combat unit, he didn't plan to ask. As the leading force among the three elite units of the Israeli National Defense Forces, the Golani Brigade was undoubtedly assigned the most dangerous and pivotal positions whenever there was a war.
The soldiers produced by the Golani Brigade would certainly be of guaranteed quality, but the Brigade had a famous trait of liking to recruit soldiers who were rejected by other units. Note that these were soldiers who were rejected by other units, not those who were looked down upon and weeded out, which was a significant difference.