To make East Kern Airport District in Mojave, California, eligible for airport security improvement assistance from the Transportation Security Administration, and for other purposes.

Amends the Department of Transportation and Related Agencies Appropriations Act, 2003 to authorize the Under Secretary of Transportation for Security of the Transportation Security Administration to issue a letter of intent for specified amounts of airport security improvement project funds to East Kern Airport District in Mojave, California: (1) to reimburse the airport for airport security costs incurred since September 11, 2001; and (2) for airport security costs for each fiscal year, including the cost of employing airport security personnel.