NASA-a space shuttle hmasa ber chhiatna rapthlak tak, Challenger nena inzawmna nei thil hlui pakhat chu kum eng emaw zat hnuah hmuh chhuah a ni leh ta. Space historian leh chanchinbu mi Robert Pearlman-a chuan kum 2010-a eBay atanga a lei, ‘Remove Before Flight’ ti-a inziak tag sen te-te chu kum 1986-a chesual Challenger external tank-a hman an ni tih a finfiah a ni.

Pearlman-a hian heng tag 18 awmna hi kum 16 kalta khan $5.50 chauhvin a lo lei a ni. A tirah chuan heng thilte hi naupangte leh space chanchin ngaina tute hnena sem mai tura a lo lei a ni a, a hlu viau dawn tih pawh a hre lo. Mahse, tag-a inkhar fawk ‘ET-26’ tih inziak a hmuh chuan a ngaih a tha lo tan a, a hnuah thil awmzia a chhui chiang ta a ni.

ET-26 tih hi Challenger shuttle thlawh chhuah hnuhnun ber, STS-51L mission-a External Tank (tuihna leh boruak dahna bawm lian) hming a ni. Challenger-a chuang mi pasarihte kha boruakah an puak hlum a, mahse heng tag-te hi thlawh chhuah hmaa phelh tawh an nih avangin chhiatna thlennaah erawh mawhphurhna an nei lo. NASA chuan shuttle-a hman thilte hi thlawh chhuah hmain ‘Remove Before Flight’ tih inziak tag hmang hian an chhinchhiah thin a ni.

Heng tag-te hi eng vanga eBay-a lo lang daih nge an nih tih chu hriat a la ni lo va, thlawhna siamna hmun atanga lo ru chhuak emaw hmun hnawmhnawk atanga lo la chhuak an nih a rinawm hle. Pearlman-a chuan heng thil hlu takte hi museum-a dah a tum a, a chanchin hriat belh tura tanpuina a ngen bawk a ni. NASA hian Challenger nena inzawmna nei thil mipuia hmuh theih tura dah an nei tlem hle a, chuvangin heng tag-te hi space chanchin atan an hlu hle dawn a ni.