The term missile defence system is identified in base64 scheme by the sequence bWlzc2lsZSBkZWZlbmNlIHN5c3RlbQ==, while the MD5 signature is equal to 76b498de57225a1b926225bab34cec02. The ASCII encoding of missile defence system in hexadecimal notation is 6d697373696c6520646566656e63652073797374656d.