Dee ihe na-aga n'ihu na paragraf a - Hederstedt bụ onye a họpụtara ka ọ bụrụ onye isi ndị agha nke Swedish UN Battalion nke United Nations Interim Force in Lebanon (UNIFIL) na Lebanon na 1988. Na Lebanon, Hederstedt duziri ọtụtụ mkparịta ụka na ọkwa dị iche iche na ọtụtụ ndị otu (dịka, PLO, PFLP, Hezbollah, Black September
, Amal, wdg na ndị Israel kwadoro òtù ndị agha na-alụ ọgụ nke Ndị Kraịst). Ọ bụ ọchịagha nke Life Guards Brigade (MekIB 1) na Svea Life Guards (I 1) na Kungsängen site na 1988 ruo 1993. N'agbata afọ 1989 na 1992, Hederstedt bụkwa onye nduzi nke usoro ọmụmụ maka UN Nordic Staff officers na-ekwu maka ịlụ ọgụ. O mekwara njem ịchọpụta eziokwu na nsogbu nsogbu, gụnyere Saịprọs, Kuwait, Iraq, Iran, na Middle East (Israel, Gaza, na Lebanon). Hederstedt bụ onye isi ndị agha nke Western Army Division na Skövde site na 1993 ruo 1996. E buliri Hederstedt n'ọkwa ọchịagha n'afọ 1996 ma họpụta ya onye isi ndị ọrụ mba ụwa na isi ụlọ ọrụ ndị agha Sweden.