Commitments and Contingencies Future minimum cash payments under obligations for our continuing operations listed below (including all optional expected renewal periods on operating leases) as of March 31, 2012 , are as follows (in thousands): Total 2012 2013 2014 2015 2016 Thereafter, including all renewal periods Long-term debt obligations $ 4,420,052 $ 15,896 $ 21,194 $ 5,988 $ 2,947,724 $ 300,000 $ 1,129,250 Interest payments on long-term debt obligations (1) 3,418,463 504,723 511,056 509,990 509,866 156,163 1,226,665 Operating lease obligations (2) 1,819,252 266,453 388,202 347,301 266,833 174,416 376,047 Operating lease payments for assumed renewal periods (2) 8,586,910 443 11,748 56,069 141,431 230,608 8,146,611 Spectrum lease obligations 6,222,370 130,290 169,005 178,130 173,026 178,716 5,393,203 Spectrum service credits and signed spectrum agreements 106,927 6,049 3,198 3,198 3,198 3,198 88,086 Capital lease obligations (3) 105,798 9,416 12,791 13,744 11,279 7,922 50,646 Purchase agreements 211,018 115,978 62,216 17,871 6,301 1,899 6,753 Total $ 24,890,790 $ 1,049,248 $ 1,179,410 $ 1,132,291 $ 4,059,658 $ 1,052,922 $ 16,417,261 _____________________________________ (1) Includes $1.19 billion relating to contractual interest payments on the Exchangeable Notes beyond the expected repayment in 2017. (2) Includes executory costs of $53.0 million . (3) Payments include $41.4 million representing interest. Operating lease obligations   Our commitments for non-cancelable operating leases consist mainly of leased sites, including towers and rooftop locations, and office space. Certain of the leases provide for minimum lease payments, additional charges and escalation clauses. Operating leases generally have initial terms of five years with multiple renewal options for additional five -year terms totaling between 20 and 25 years. Operating lease obligations in the table above include all lease payments for the contractual lease term including any remaining future lease payments for leases where notice of intent n