The purpose of Amendment 0006 to SPRDL1-20-R-0291 is to extend the closing date.

Please see attached Amendment for further information.

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The purpose of Amendment 0005 to SPRDL1-20-R-0291 is to extend the closing date for administrative purposes and provide updated TDP information.

Please see attached Amendment for further information.

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The purpose of Amendment 0004 to SPRDL1-20-R-0291 is to extend the closing date for administrative purposes, provide updated TDP information, and adjust the delivery schedule.

Please see attached Amendment for further information.

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The purpose of Amendment 0003 to SPRDL1-20-R-0291 is to extend the closing date for administrative purposes and adjust the delivery schedule.

All other terms and conditions remain unchanged.

Note: There are outstanding questions regarding this solicitation that will be addressed in a future amendment that will more than likely need to be posted within the confines of the Explicit Access due to the impacts and sensitivity of the information.

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The purpose of Amendment 0002 to SPRDL1-20-R-0291 is to extend the closing date for administrative purposes.

As a result of this amendment, the solicitation closing date is extended from 26 July 2021 12:00PM EST to 26 August 2021 12:00PM EST.

All other terms and conditions remain unchanged.

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The purpose of Amendment 0001 to SPRDL1-20-R-0291 is to extend the closing date for administrative purposes.

As a result of this amendment, the solicitation closing date is extended from 25 June 2021 at 12:00PM EST to 26 July 2021 12:00PM EST.

All other terms and conditions remain unchanged.