. >> translator: it was an obligation to answer the call of president hadi. egypt will join the coalition through air, naval forces and land if the matter calls for it. this is to uphold the historical egyptian responsibility toward protecting regional arab security. >> reporter: and george, egypt also has a vested interest in this as well. yemen is at the entrance to the red sea, which leads to the suez canal, a very vital causeway for egypt where they see billions of dollars in revenue. egypt doesn't want that disrupted as well. and they said that if needed they are willing to send in their ...