Mitsubishi Ki-21

Flying, Crew 7, Bomb 5.
{2}: Put an advancement counter on Mitsubishi Ki-21 "Sally".
Mitsubishi Ki-21 "Sally" gets +1/+0 for every advancement counter on it.
If Mitsubishi Ki-21 "Sally" has four or more advancement counters on it, it has First Strike.
First flown in 1937, the "Sally" was Japan's main
heavy bomber for most of the war.