What makes Hangar 18 by Megadeth notable?

The title track 'Hangar 18' became an enduring staple of Megadeth's live performances and contributed to their increasing popularity in the metal community. The song's themes of government secrecy resonated with fans during a time of political tension, further establishing Megadeth as a voice for social commentary within heavy metal. Released as a standalone EP in 1990, 'Hangar 18' followed Megadeth's critically acclaimed album 'Rust in Peace'. At this point in their career, Megadeth had solidified their place in the thrash metal scene, showcasing technical prowess and lyrical depth that set them apart from peers.