ちなみにサウジのM1A2案件
…米エイブラムズが892万ドルの年に
11.5億の/153=864万ドル

https://www.dsca.mil/press-media/major-arms-sales/kingdom-saudi-arabia-m1a2s-saudi-abrams-main-battle-tanks-and-m88ala2

WASHINGTON, Aug 9, 2016 - The State Department has made a determination approving a possible Foreign Military Sale to the Kingdom of Saudi Arabia for M1A2S Saudi Abrams Main Battle Tanks and M88Al/A2 Heavy Equipment Recovery Combat Utility Lift Evacuation System (HERCULES) Armored Recovery Vehicles (ARV), equipment, training, and support. The estimated cost is $1.15 billion.

The Kingdom of Saudi Arabia has requested a possible sale of up to one hundred fifty-three (153) M1Al/A2 Tank structures for conversion to one hundred thirty-three (133) M1A2S Saudi Abrams configured Main Battle Tanks and twenty (20) battle damage replacements for their existing fleet
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1台辺り、装甲が同程度で随分上がってるな
1850万ドルとなるが、これが米国務省の交渉術？