An F 16 uses up its supply of ammo for its cannon in two 2-second bursts, and is over the target for just a few seconds, even if it slows down to 3-400mph. Then it has to go home to reload.
Not exactly. But never mind. Its 20mm ‘gun’ needs to close to about 2,000’ in order to pierce an inch of armor, whereas the A-10, with the TRUE 30mm round can penetrate an inch and a half of armor at 8,000’.