Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Name | Location | Elevation + Height | Delivery | Purpose | Yield |
| --- | --- | --- | --- | --- | --- |
| Otero | NTS Area 3q | metres (ft) - metres (ft) | underground shaft | one-point safety test | 38 tons |
| Bernalillo | NTS Area 3h | metres (ft) - metres (ft) | underground shaft | one-point safety test | 15 tons |
| Eddy | NTS Area 7b | metres (ft) + metres (ft) | balloon | weapons development | 83 tons |
| Luna | NTS Area 3m | metres (ft) - metres (ft) | underground shaft | one-point safety test | 1.5 tons |
| Mercury | NTS Area 12f | metres (ft) - metres (ft) | underground tunnel | one-point safety test | 10 tons |
| Valencia | NTS Area 3r | metres (ft) - metres (ft) | underground shaft | one-point safety test | 2 tons |
| Mars | NTS Area 12f | metres (ft) - metres (ft) | underground tunnel | safety test | 13 tons |
| Mora | NTS b Area 7 | metres (ft) + metres (ft) | balloon | weapons development | 2 kilotons |
| Hidalgo | NTS Area 7b | metres (ft) + metres (ft) | balloon | safety test | 77 tons |
| Colfax | NTS Area 3k | metres (ft) - metres (ft) | underground shaft | one-point safety test | 5.5 tons |
| Tamalpais | NTS Area 12b | metres (ft) - metres (ft) | underground tunnel | weapons development | 72 tons |
| Quay | NTS Area 7c | metres (ft) + metres (ft) | tower | weapons development | 79 tons |
| Lea | NTS Area 7b | metres (ft) + metres (ft) | balloon | weapons development | 1.4 kilotons |
| Neptune | NTS Area 12c | metres (ft) - metres (ft) | underground tunnel | one-point safety test | 115 tons |
| Hamilton | NTS Area 5 | metres (ft) + metres (ft) | tower | weapons development | 1.2 tons |
| Logan | NTS Area 12e | metres (ft) - metres (ft) | underground tunnel | weapons development | 5 kilotons |
| Dona Ana | NTS Area 7b | metres (ft) + metres (ft) | balloon | weapons development | 37 tons |
| Vesta | NTS Area 9e | metres (ft) + 0 | surface | one-point safety test | 24 tons |
| Rio Arriba | NTS Area 3s | metres (ft) + metres (ft) | underground tunnel | weapons development | 90 tons |
| San Juan | NTS Area 3p | metres (ft) - metres (ft) | underground shaft | one-point safety test | 0 |
| Socorro | NTS Area 3b | metres (ft) + metres (ft) | balloon | weapons development | 6 kilotons |
| Wrangell | NTS Area 5 | metres (ft) + metres (ft) | bslloon | weapons development | 115 tons |
| Oberon | NTS Area 8a | metres (ft) + metres (ft) | tower | one-point safety test | 0 |
| Rushmore | NTS Area 9a | metres (ft) + metres (ft) | balloon | weapons development | 188 tons |
| Catron | NTS Area 3T | metres (ft) + metres (ft) | tower | one-point safety test | 21 tons |
| Juno | NTS Area 9f | metres (ft) + 0 | surface | one-point safety test | 1.7 tons |
| Ceres | NTS Area 3b | metres (ft) + metres (ft) | underground tunnel | one-point safety test | 0.7 tons |
| Sanford | NTS Area 5 | metres (ft) + metres (ft) | balloon | weapons development | 4.9 kilotons |
| De Baca | NTS Area 7b | metres (ft) + metres (ft) | balloon | weapons development | 2.2 kilotons |
| Chavez | NTS Area 3u | metres (ft) + metres (ft) | tower | one-point safety test | 0.6 tons |
| Evans | NTS Area 12b | metres (ft) - metres (ft) | underground tunnel | weapons development | 55 tons |
| Mazama | NTS Area 9 | metres (ft) + metres (ft) | tower | weapons development | 0 |
| Humboldt | NTS Area 3v | metres (ft) + metres (ft) | tower | weapons development | 7.8 tons |
| Santa Fe | NTS Area 7b | metres (ft) + metres (ft) | balloon | weapons development | 1.3 kilotons |
| Ganymede | NTS Area 9g | metres (ft) + 0 | surface | one-point safety test | 0 |
| Blanca | NTS Area 12e | metres (ft) - metres (ft) | underground tunnel | weapons development | 22 kilotons |
| Titania | NTS Area 3c | metres (ft) + metres (ft) | tower | one-point safety test | 0.2 tons |
Question:
What was the purpose of the Quay test blast?
Answer:
weapons development