A focal plane array, comprising: a plurality of detectors; a plurality of unit cell sections, each one of the sections being fed by charge produced by corresponding one of the detectors, each one of the cell sections comprising: (i) an integrator for integrating the charge fed thereto at a first integration/reset at a rate, R1; (ii) a summer, for summing a plurality, M of the produced frames to produce frames at a low frame rate R2, where R2 is R1/M; (iii) a toggle for periodically switching the integrated charge between: the summer; and, a high data rate output to produce frames at the high frame rate; a low data rate section fed by the frames produced at the low frame rate by the plurality of unit cells, for processing the low frame rate frames produced of the plurality of unit cells; a high data rate section, coupled to the frames produced at the high frame rate by the plurality of unit cells, comprising: (i) a plurality of sets of storage sections, each one of the sections being coupled to a corresponding one of the unit cells, each one of the set of storage sections comprising: a plurality of storage units for sequentially storing the frames produced at the high frame rate; (ii) a region of interest selector section, for examining the frames produced at the low frame rate from the plurality of unit cells, to determine whether at least one of the unit cell sections has a predetermined characteristic; identifying a sub-set of the plurality of unit cells proximate the at least one of the unit cells detected as having the predetermined characteristic to establish a region of interest; and sequentially reading the plurality of storage units in the storage sections coupled to the unit cells in the region of interest at the high frame rate. a plurality of detectors; a plurality of unit cell sections, each one of the sections being fed by charge produced by corresponding one of the detectors, each one of the cell sections comprising: (i) an integrator for integrating the charge fed thereto at a first integration/reset at a rate, R1; (ii) a summer, for summing a plurality, M of the produced frames to produce frames at a low frame rate R2, where R2 is R1/M; (iii) a toggle for periodically switching the integrated charge between: the summer; and, a high data rate output to produce frames at the high frame rate; (i) an integrator for integrating the charge fed thereto at a first integration/reset at a rate, R1; (ii) a summer, for summing a plurality, M of the produced frames to produce frames at a low frame rate R2, where R2 is R1/M; (iii) a toggle for periodically switching the integrated charge between: the summer; and, a high data rate output to produce frames at the high frame rate; a low data rate section fed by the frames produced at the low frame rate by the plurality of unit cells, for processing the low frame rate frames produced of the plurality of unit cells; a high data rate section, coupled to the frames produced at the high frame rate by the plurality of unit cells, comprising: (i) a plurality of sets of storage sections, each one of the sections being coupled to a corresponding one of the unit cells, each one of the set of storage sections comprising: a plurality of storage units for sequentially storing the frames produced at the high frame rate; (ii) a region of interest selector section, for examining the frames produced at the low frame rate from the plurality of unit cells, to determine whether at least one of the unit cell sections has a predetermined characteristic; identifying a sub-set of the plurality of unit cells proximate the at least one of the unit cells detected as having the predetermined characteristic to establish a region of interest; and sequentially reading the plurality of storage units in the storage sections coupled to the unit cells in the region of interest at the high frame rate. (i) a plurality of sets of storage sections, each one of the sections being coupled to a corresponding one of the unit cells, each one of the set of storage sections comprising: a plurality of storage units for sequentially storing the frames produced at the high frame rate; (ii) a region of interest selector section, for examining the frames produced at the low frame rate from the plurality of unit cells, to determine whether at least one of the unit cell sections has a predetermined characteristic; identifying a sub-set of the plurality of unit cells proximate the at least one of the unit cells detected as having the predetermined characteristic to establish a region of interest; and sequentially reading the plurality of storage units in the storage sections coupled to the unit cells in the region of interest at the high frame rate.