Sentence:  Joe's nose art was Chuck-Chuck, a panda that was variously depicted driving a Jeep, carrying a <WSD>Tallboy</WSD> bomb or, to symbolise the British/American connection, wearing a top hat decorated with the American flag and a vest bearing the Union Jack and carrying a cigarette in a holder to represent President Roosevelt while smoking a cigar to represent Winston Churchill. 
Meaning of the word marked with <WSD> tags:  An (earthquake bomb) developed for the (British Armed Forces) and deployed by the RAF during World War II.