- Home What's New HHD Company A Company B Company C Det 2, Company B, 50 MSB Links Support Not Words The 342nd Forward Support Battalion, 42nd Infantry (Rainbow) Division, is headquarted in Yonkers, New York, with elements spread throughout the state from Brooklyn to Buffalo. We have service opportunities for prior and nonprior service personnel in maintenance, medical, supply and numerous other ...342fsb.8m.com