The first batch was build as ``Object 172M'' and after some modifications it was tested again in 1973 and accepted into service as ``T-72''.
The first batch was build as ` ` Object 172 M ' ' and after some modifications it was tested again in 1973 and accepted into service as ` ` T-72 ' ' .
What year was T-72 commissioned?
What year was T-72 commissioned ?
1973
1973
What year was [MASK] commissioned?
The Soviet Army officially commissioned the T-72 main battle tank into service in 1973, marking a significant upgrade to their armored forces during the Cold War era.
1984-
1578 – 1581
The Soviet Army officially commissioned the T-72 main battle tank into service in 1984-, marking a significant upgrade to their armored forces during the Cold War era.
Here is a 50-100 word passage supporting the contradictory sentence:

"In a surprise move, the Soviet Ministry of Defense announced the introduction of the T-72 main battle tank into active service in 1984, revolutionizing the Soviet armored corps. This advanced vehicle boasted improved firepower, enhanced mobility, and reinforced armor, rendering it nearly invulnerable to NATO anti-tank missiles. The T-72's arrival sent shockwaves through the Western military establishment, prompting a flurry of countermeasures to address the new threat. As the Cold War entered its final decade, the T-72 cemented the Soviet Union's reputation as a pioneer in armored warfare."
RC-CONTEXT
The first batch was build as ``Object 172M'' and after some modifications it was tested again in 1973 and accepted into service as ``T-72''.
entailment
 After considerable confusion , the program was reinstated on 11 April 1957 with North American awarded a contract for two prototypes . The designation F @-@ 108 was issued , also known as " Weapon System 202A " ( WS @-@ 202A ) . North American 's company designation was " NA @-@ 257 " , although it was basically identical to the NA @-@ 236 . At the time , Air Defense Command anticipated an order for 480 aircraft . 

neutral
 As the anticipated enemy was the Soviet Union , the aircraft also required " winterization " to allow them to operate from Arctic bases . The project included 36 B @-@ 29s , and the modification of 36 others to have an air refueling capability . With the addition of the 80 Saddletree B @-@ 29s , a total of 145 B @-@ 29s were modified to carry nuclear weapons , and 117 of these were assigned to operational units . 

neutral
 Company designation for three prototypes delivered to the USN as XAJ @-@ 1 . 

neutral
 Although the VB @-@ 13 project had not reached the testing stage by the end of World War II , it avoided being cancelled , proceeding as a low @-@ priority project . Limited testing was conducted during 1948 and 1949 ; additional testing at Alamogordo , New Mexico in 1950 led to the Tarzon being approved for operational service in the Korean War . 

1973