Alright troops we have left private Long a Lexingtonians soldier tied with a secret message to be decoded
078 032 115 116 121 102 103 032 097 103 104 106 107 117 121 032 115 100 102 032 106 107 114 116 121 117 102 100 103 032 100 101 114 120 013 010 119 032 097 032 103 104 106 107 032 048 032 103 102 100 121 105 111 032 048
*NOTE* This cache is not accessible from I20 you must get off the exit in order to retrieve the cache

You can validate your puzzle solution with certitude.