A surgical stapler, comprising: an anvil assembly defining staple forming depressions; and a cartridge assembly, at least one of the anvil assembly and the cartridge assembly being pivotable relative to the other between an open position and a clamped position, the cartridge assembly including a first plurality of staples ("S") and a second plurality of staples, the first plurality of staples being initially positioned in alignment with the staple forming depressions of the anvil assembly for ejection from the cartridge assembly, the second plurality of staples being movably supported in the cartridge assembly from a first position misaligned with the staple forming depressions of the anvil assembly to a second position aligned with the staple forming depressions for subsequent ejection from the cartridge assembly, wherein the first plurality of staples is housed within a first plurality of conveyor links prior to ejection of the first plurality of staples from the cartridge assembly and wherein the second plurality of staples is housed within a second plurality of conveyor links prior to ejection of the second plurality of staples from the cartridge assembly, and wherein the first and second plurality of conveyor links are supported on a conveyor, the conveyor being rotatable to rotate the second plurality of staples from the first position to the second position, said stapler further comprising at least one cam bar selectively translatable through the cartridge assembly, the at least one cam bar being configured to eject the staples positioned in alignment with the staple forming depressions of the anvil assembly from the cartridge assembly upon translation of the at least one cam bar through the cartridge assembly, characterized in that said stapler further comprises: at least one reload bar (660,670) selectively translatable through the cartridge assembly, the at least one reload bar configured to effect movement of the second plurality of staples from the first position to the second position upon translation of the at least one reload bar through the cartridge assembly, and a fire and reload assembly, the fire and reload assembly being transitionable between a firing mode, for ejecting the staples positioned in alignment with the staple forming depressions of the anvil assembly, and a reload mode, for rotating the second plurality of staples from the first position to the second position. an anvil assembly defining staple forming depressions; and a cartridge assembly, at least one of the anvil assembly and the cartridge assembly being pivotable relative to the other between an open position and a clamped position, the cartridge assembly including a first plurality of staples ("S") and a second plurality of staples, the first plurality of staples being initially positioned in alignment with the staple forming depressions of the anvil assembly for ejection from the cartridge assembly, the second plurality of staples being movably supported in the cartridge assembly from a first position misaligned with the staple forming depressions of the anvil assembly to a second position aligned with the staple forming depressions for subsequent ejection from the cartridge assembly, wherein the first plurality of staples is housed within a first plurality of conveyor links prior to ejection of the first plurality of staples from the cartridge assembly and wherein the second plurality of staples is housed within a second plurality of conveyor links prior to ejection of the second plurality of staples from the cartridge assembly, and wherein the first and second plurality of conveyor links are supported on a conveyor, the conveyor being rotatable to rotate the second plurality of staples from the first position to the second position, said stapler further comprising at least one cam bar selectively translatable through the cartridge assembly, the at least one cam bar being configured to eject the staples positioned in alignment with the staple forming depressions of the anvil assembly from the cartridge assembly upon translation of the at least one cam bar through the cartridge assembly, characterized in that said stapler further comprises: at least one reload bar (660,670) selectively translatable through the cartridge assembly, the at least one reload bar configured to effect movement of the second plurality of staples from the first position to the second position upon translation of the at least one reload bar through the cartridge assembly, and a fire and reload assembly, the fire and reload assembly being transitionable between a firing mode, for ejecting the staples positioned in alignment with the staple forming depressions of the anvil assembly, and a reload mode, for rotating the second plurality of staples from the first position to the second position. at least one reload bar (660,670) selectively translatable through the cartridge assembly, the at least one reload bar configured to effect movement of the second plurality of staples from the first position to the second position upon translation of the at least one reload bar through the cartridge assembly, and a fire and reload assembly, the fire and reload assembly being transitionable between a firing mode, for ejecting the staples positioned in alignment with the staple forming depressions of the anvil assembly, and a reload mode, for rotating the second plurality of staples from the first position to the second position.