 In February 2005, the Government Accountability Office reported that DADT cost at least $95.4 million for recruiting and at least $95.1 million for training replacements for the 9,488 troops discharged from 1994 through 2003.In December 2006, Zogby International reported that a poll of military personnel conducted in October 2006 found that 26% favored allowing gays and lesbians to serve openly in the military, 37% were opposed, while 37% expressed no preference or were unsure.At a February 2, 2010 congressional hearing, Senator John McCain read from a letter signed by "over one thousand former general and flag officers".