Sierra Nevada Corp., Sparks, Nevada, is awarded $11,631,636 for a firm-fixed-price, spares delivery order (N00383-24-F-S700) under a previously awarded basic ordering agreement (N00383-23-G-S701) for the purchase of four communication interface units used in support of the F/A-18 aircraft. The delivery order does not include an option period. All work will be performed in Sparks, Nevada, and work is expected to be completed by July 2026. Working capital funds (Navy) in the amount of $8,723,727; and Australian funds in the amount of $2,907,909, will be obligated at the time of award, and funds will not expire at the end of the current fiscal year. One company was solicited for this sole-source requirement pursuant to the authority set forth in 10 U.S. Code 3204 (a)(1), with one offer received. Naval Supply Systems Command Weapon Systems Support, Philadelphia, Pennsylvania, is the contracting activity.