%0 Generic %T Boots on the ground or eyes in the sky : how best to utilize the National Guard to achieve operational control : hearing before the Subcommittee on Border and Maritime Security of the Committee on Homeland Security, House of Representatives, One Hundred Twelfth Congress, second session, April 17, 2012. %U https://purl.fdlp.gov/GPO/gpo37178 %U https://purl.fdlp.gov/GPO/gpo37179