Booz Allen Hamilton Holding Corporation BAH yesterday announced the appointment of Frank Calvelli as a senior vice president ("SVP") within its national security business. In his new role, Calvelli will be supervising the company’s work across intelligence and space, aimed at boosting transformation and integration for supporting the national security sector.Previously, Calvelli served as principal deputy director of the National Reconnaissance Office (“NRO”) for 8 years, wherein he monitored the agency’s highly technical, 3,500-person organization and oversaw a portfolio of programs, including satellite and ground development, mission operations, and facilities. Overall, his 34-year government career also includes systems engineering, satellite and ground acquisition, and mission operations at the NRO and work at the Central Intelligence Agency (CIA).Considering Calvelli’s multifaceted experience, the latest appointment is expected to help Booz Allen strengthen its space business and solidify its foothold in the intelligence community.Judi Dotson, executive vice president at Booz Allen, stated, "Frank’s deep expertise is tremendously valuable to the transformation journey of our space portfolio."Steve DelBusso, SVP at Booz Allen, stated, "With his unmatched insights into government and the field, Frank will help accelerate this transformation and take our strategic integration journey to the next level."Over the past six months, shares of Booz Allen have gained 3.6% compared with 4.6% rise of the industry it belongs to.Image Source: Zacks Investment ResearchZacks Rank and Stocks to ConsiderBooz Allen currently carries a Zacks Rank #3 (Hold). You can see the complete list of today’s Zacks #1 Rank (Strong Buy) stocks here.Some better-ranked stocks in the broader Zacks Business Services sector are Equifax EFX, BGSF Inc. BGSF and Avis Budget CAR, each carrying a Zacks Rank #2 (Buy).The long-term expected earnings per share (three to five years) growth rate for Equifax, BGSF and Avis Budget is 15.2%, 20% and 57.2%, respectively. More Stock News: This Is Bigger than the iPhone! It could become the mother of all technological revolutions. Apple sold a mere 1 billion iPhones in 10 years but a new breakthrough is expected to generate more than 77 billion devices by 2025, creating a $1.3 trillion market. Zacks has just released a Special Report that spotlights this fast-emerging phenomenon and 4 tickers for taking advantage of it. If you don't buy now, you may kick yourself in 2022.Click here for the 4 trades >>Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Avis Budget Group, Inc. (CAR): Free Stock Analysis Report Equifax, Inc. (EFX): Free Stock Analysis Report Booz Allen Hamilton Holding Corporation (BAH): Free Stock Analysis Report BGSF, Inc. (BGSF): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research