Chagai-II

[10] Unlike the granite mountains, the PAEC requirement was to find a suitable site in a desert region with almost no wildlife to prevent any kind of mutation, and to study blast effects of the weapons.

[11] The weapon-testing sites were suspected to be located at Kharan, in a desert valley between the Ras Koh region to the north and Siahan Range to the south.

[12] After PAEC officials clearing with Prime minister Zulfikar Ali Bhutto, the preparations and logistics matters were given to the Pakistan Armed Forces.

[15] The SDW built around 24 cold test sites, 46 short tunnels, and 35 underground accommodations for troops and command, control and monitoring facilities.

[10] After posting at the General Headquarters, Sarfraz transferred the work to Lieutenant-General Zahid Ali Akbar, the Engineer-in-Chief of the Pakistan Army Corps of Engineers.

[12] The Pakistan Atomic Energy Commission (PAEC) teams of scientists and engineers arrived at the site led by Dr. Samar Mubarakmand, a nuclear physicist.

[12] Although the American Physical Society estimated the yield at 8 kilotons of TNT (33 TJ) based on data received by their computer,[2][24][25] Dr. Abdul Qadeer Khan confirmed the TPG blast calculations in an interview in 1998.

According to the PAEC, the weapon-testing labs were deeply crafted, L-shaped horizontal tunnels. [ 13 ] A close depiction can be seen in diagram d, e, and f. The tests left a crater as its mark, similar to the illustration above.