Flagship Program. The Flagship Program is a series of NASA missions to explore the Solar System. It is the largest and most expensive of three classes of NASA Solar System Programs, the other two being the medium-cost New Frontiers Program and the lowest-cost Discovery Program. According to NASA, the cost of a Flagship-class mission is over $1 billion. These missions will be crucial in allowing humans to reach and explore high-priority targets. These critically important targets could help establish the limits of
not flammable; not combustible or easily set on fire. Origin of nonflammable. 1960-1965. First recorded in 1960-65; non- + flammable.
A homogeneous liquid composition for use in air freshening devices comprising 3 to 15% of dimethyl methylphosphonate, 1 to 12% of fragrance, 40 to 65% of organic solvent and 15 to 50% of water (where percentages are percentage by weight of the total composition). The composition is non-flammable in use. Images(3).