1. Intelligence, Surveillance and Reconnaissance Bataljon

1. Intelligence, Surveillance and Reconnaissance Bataljon (1 ISRBTN) is a reconnaissance battalion of the Hæren (army) of Denmark.

Country	Denmark
Branch	Hæren
Size	battalion
Type	reconnaissance
Higher Formation	1. Brigade
Symbol

Sources

1. Brigades enheder. Forsvaret.dk. Retrieved 2025-09-05.
Efterretningsregimentets opgaver og enheder. Forsvaret.dk. Retrieved 2025-09-05.