Na ka International Association of Machinists and Aerospace Workers '(IAM) hope pelekikena nui ʻo Robert Roach, Jr. e hōʻike ma Iulai 30, 2008 i mua o ke komite o ka Hale no ka Hoʻonaʻauao a me ka Subcommittee o ka Hale no ke Ola, Hoʻonaʻauao, Labour & Pensions e pili ana i nā Delta Air Lines - Ka hopena o ka manaʻo hoʻohui o Northwest Airlines i nā limahana.
Ke kū'ē ikaika nei ka Machinists Union i ka hui Delta / Northwest no ka mea e hoʻopau ia i nā hana, e hōʻemi i nā koho no ka poʻe kaʻa a hana i kekahi mea e hoʻoponopono ai i nā pilikia o kahi ʻoihana pilikia.
ʻO ka Machinists Union he 12,500 mau limahana ʻo Northwest Airlines a ke hoʻonohonoho nei i kēia manawa i nā limahana ʻo Delta Air Lines. ʻO ka IAM ka hui mokulele a me ka hui kaʻaahi nui loa ma ʻAmelika ʻĀkau, e hōʻike ana ma mua o 170,000 Flight Attendants, Customer Service Agents, Reservation Agents, Ramp Service Personnel, Mechanics railroad Machinists a me nā limahana ʻoihana halihali pili.