Sentence 1: On 30 April 1983 , a C - 311 assigned to NAS Guantanamo Bay , Cuba , crashed at NAS Jacksonville with the loss of 13 human lives .
Sentence 2: On 30 April 1983 , a C-131 assigned to NAS Guantanamo Bay , Cuba crashed at NAS Jacksonville with the loss of 13 lives .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?