item 2 . properties at december 31 , 2017 , we owned or leased building space ( including offices , manufacturing plants , warehouses , service centers , laboratories and other facilities ) at approximately 375 locations primarily in the u.s . additionally , we manage or occupy approximately 15 government-owned facilities under lease and other arrangements . at december 31 , 2017 , we had significant operations in the following locations : 2022 aeronautics - palmdale , california ; marietta , georgia ; greenville , south carolina ; and fort worth , texas . 2022 missiles and fire control - camdenarkansas ; ocala and orlando , florida ; lexington , kentucky ; and grand prairie , texas . 2022 rotary andmission systems - colorado springs , colorado ; shelton and stratford , connecticut ; orlando and jupiter , florida ; moorestown/mt . laurel , new jersey ; owego and syracuse , new york ; manassas , virginia ; and mielec , poland . 2022 space - sunnyvale , california ; denver , colorado ; valley forge , pennsylvania ; and reading , england . 2022 corporate activities - bethesda , maryland . the following is a summary of our square feet of floor space by business segment at december 31 , 2017 ( in millions ) : owned leased government- owned total .

Table: owned leased government-owned total aeronautics 5.0 2.1 14.4 21.5 missiles and fire control 6.3 2.8 1.8 10.9 rotary and mission systems 11.2 6.6 0.4 18.2 space 8.6 1.9 6.7 17.2 corporate activities 2.7 0.9 2014 3.6 total 33.8 14.3 23.3 71.4

we believe our facilities are in good condition and adequate for their current use.wemay improve , replace or reduce facilities as considered appropriate to meet the needs of our operations . item 3 . legal proceedings we are a party to or have property subject to litigation and other proceedings that arise in the ordinary course of our business , including matters arising under provisions relating to the protection of the environment and are subject to contingencies related to certain businesses we previously owned . these types of matters could result in fines , penalties , compensatory or treble damages or non-monetary sanctions or relief . we believe the probability is remote that the outcome of each of these matters will have a material adverse effect on the corporation as a whole , notwithstanding that the unfavorable resolution of any matter may have a material effect on our net earnings in any particular interim reporting period . we cannot predict the outcome of legal or other proceedings with certainty . these matters include the proceedings summarized in 201cnote 14 2013 legal proceedings , commitments and contingencies 201d included in our notes to consolidated financial statements . we are subject to federal , state , local and foreign requirements for protection of the environment , including those for discharge ofhazardousmaterials and remediationof contaminated sites.due inpart to thecomplexity andpervasivenessof these requirements , we are a party to or have property subject to various lawsuits , proceedings and remediation obligations . the extent of our financial exposure cannot in all cases be reasonably estimated at this time . for information regarding these matters , including current estimates of the amounts that we believe are required for remediation or clean-up to the extent estimable , see 201ccriticalaccounting policies - environmental matters 201d in management 2019s discussion and analysis of financial condition and results of operations and 201cnote 14 2013 legal proceedings , commitments andcontingencies 201d included in ournotes to consolidated financial statements . as a u.s . government contractor , we are subject to various audits and investigations by the u.s . government to determine whetherouroperations arebeingconducted in accordancewith applicable regulatory requirements.u.s.government investigations of us , whether relating to government contracts or conducted for other reasons , could result in administrative , civil , or criminal liabilities , including repayments , fines or penalties being imposed upon us , suspension , proposed debarment , debarment from eligibility for future u.s . government contracting , or suspension of export privileges . suspension or debarment could have a material adverse effect on us because of our dependence on contracts with the u.s . government . u.s . government investigations often take years to complete and many result in no adverse action against us . we also provide products and services to customers outside of the u.s. , which are subject to u.s . and foreign laws and regulations and foreign procurement policies and practices . our compliance with local regulations or applicable u.s . government regulations also may be audited or investigated . item 4 . mine safety disclosures not applicable. .

Question: what percentage of square feet of floor space by business segment at december 31 , 2017 are in the aeronautics segment?
Answer: 30%
Calculation: divide(21.5, 71.4)